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Finding the Fourth Proportional to 522,110.10, 783,165.15 and 490,617.30

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Solution

The fourth proportional to 522,110.10, 783,165.15 and 490,617.30 is: 735,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,110.10 : 783,165.15 = 490,617.30 : x
  2. Step 2: Convert to fraction form
    522,110.10/783,165.15 = 490,617.30/x
  3. Step 3: Cross multiply
    522,110.10x = 783,165.15 × 490,617.30
  4. Step 4: Simplify right side
    522,110.10x = 384,234,371,347.10
  5. Step 5: Solve for x
    x = 384,234,371,347.10/522,110.10
  6. Step 6: Final answer
    x = 735,925.95

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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.