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Finding the Fourth Proportional to 539,528.20, 808,223.10 and 473,043.40

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Solution

The fourth proportional to 539,528.20, 808,223.10 and 473,043.40 is: 708,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,528.20 : 808,223.10 = 473,043.40 : x
  2. Step 2: Convert to fraction form
    539,528.20/808,223.10 = 473,043.40/x
  3. Step 3: Cross multiply
    539,528.20x = 808,223.10 × 473,043.40
  4. Step 4: Simplify right side
    539,528.20x = 382,324,603,182.54
  5. Step 5: Solve for x
    x = 382,324,603,182.54/539,528.20
  6. Step 6: Final answer
    x = 708,627.66

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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.