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Finding the Fourth Proportional to 609,775.66, 910,313.25 and 569,253.18

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Solution

The fourth proportional to 609,775.66, 910,313.25 and 569,253.18 is: 849,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,775.66 : 910,313.25 = 569,253.18 : x
  2. Step 2: Convert to fraction form
    609,775.66/910,313.25 = 569,253.18/x
  3. Step 3: Cross multiply
    609,775.66x = 910,313.25 × 569,253.18
  4. Step 4: Simplify right side
    609,775.66x = 518,198,712,358.64
  5. Step 5: Solve for x
    x = 518,198,712,358.64/609,775.66
  6. Step 6: Final answer
    x = 849,818.62

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.