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Finding the Fourth Proportional to 590,509.10, 885,763.65 and 410,105.90

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Solution

The fourth proportional to 590,509.10, 885,763.65 and 410,105.90 is: 615,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,509.10 : 885,763.65 = 410,105.90 : x
  2. Step 2: Convert to fraction form
    590,509.10/885,763.65 = 410,105.90/x
  3. Step 3: Cross multiply
    590,509.10x = 885,763.65 × 410,105.90
  4. Step 4: Simplify right side
    590,509.10x = 363,256,898,870.54
  5. Step 5: Solve for x
    x = 363,256,898,870.54/590,509.10
  6. Step 6: Final answer
    x = 615,158.85

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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.