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Finding the Fourth Proportional to 533,747.52, 736,433.28 and 318,792.96

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Solution

The fourth proportional to 533,747.52, 736,433.28 and 318,792.96 is: 439,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,747.52 : 736,433.28 = 318,792.96 : x
  2. Step 2: Convert to fraction form
    533,747.52/736,433.28 = 318,792.96/x
  3. Step 3: Cross multiply
    533,747.52x = 736,433.28 × 318,792.96
  4. Step 4: Simplify right side
    533,747.52x = 234,769,745,173.71
  5. Step 5: Solve for x
    x = 234,769,745,173.71/533,747.52
  6. Step 6: Final answer
    x = 439,851.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.