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Finding the Fourth Proportional to 537,734.40, 806,601.60 and 528,403.20

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Solution

The fourth proportional to 537,734.40, 806,601.60 and 528,403.20 is: 792,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,734.40 : 806,601.60 = 528,403.20 : x
  2. Step 2: Convert to fraction form
    537,734.40/806,601.60 = 528,403.20/x
  3. Step 3: Cross multiply
    537,734.40x = 806,601.60 × 528,403.20
  4. Step 4: Simplify right side
    537,734.40x = 426,210,866,565.12
  5. Step 5: Solve for x
    x = 426,210,866,565.12/537,734.40
  6. Step 6: Final answer
    x = 792,604.80

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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.