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Finding the Fourth Proportional to 566,288.70, 849,433.05 and 517,299.90

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Solution

The fourth proportional to 566,288.70, 849,433.05 and 517,299.90 is: 775,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,288.70 : 849,433.05 = 517,299.90 : x
  2. Step 2: Convert to fraction form
    566,288.70/849,433.05 = 517,299.90/x
  3. Step 3: Cross multiply
    566,288.70x = 849,433.05 × 517,299.90
  4. Step 4: Simplify right side
    566,288.70x = 439,411,631,821.70
  5. Step 5: Solve for x
    x = 439,411,631,821.70/566,288.70
  6. Step 6: Final answer
    x = 775,949.85

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.