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Finding the Fourth Proportional to 539,580.40, 807,527.40 and 473,225.20

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Solution

The fourth proportional to 539,580.40, 807,527.40 and 473,225.20 is: 708,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,580.40 : 807,527.40 = 473,225.20 : x
  2. Step 2: Convert to fraction form
    539,580.40/807,527.40 = 473,225.20/x
  3. Step 3: Cross multiply
    539,580.40x = 807,527.40 × 473,225.20
  4. Step 4: Simplify right side
    539,580.40x = 382,142,315,370.48
  5. Step 5: Solve for x
    x = 382,142,315,370.48/539,580.40
  6. Step 6: Final answer
    x = 708,221.27

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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.