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Finding the Fourth Proportional to 475,690.04, 712,135.38 and 317,526.20

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Solution

The fourth proportional to 475,690.04, 712,135.38 and 317,526.20 is: 475,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,690.04 : 712,135.38 = 317,526.20 : x
  2. Step 2: Convert to fraction form
    475,690.04/712,135.38 = 317,526.20/x
  3. Step 3: Cross multiply
    475,690.04x = 712,135.38 × 317,526.20
  4. Step 4: Simplify right side
    475,690.04x = 226,121,641,096.96
  5. Step 5: Solve for x
    x = 226,121,641,096.96/475,690.04
  6. Step 6: Final answer
    x = 475,355.00

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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.