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Finding the Fourth Proportional to 533,592.46, 736,605.75 and 315,732.64

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Solution

The fourth proportional to 533,592.46, 736,605.75 and 315,732.64 is: 435,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,592.46 : 736,605.75 = 315,732.64 : x
  2. Step 2: Convert to fraction form
    533,592.46/736,605.75 = 315,732.64/x
  3. Step 3: Cross multiply
    533,592.46x = 736,605.75 × 315,732.64
  4. Step 4: Simplify right side
    533,592.46x = 232,570,478,086.68
  5. Step 5: Solve for x
    x = 232,570,478,086.68/533,592.46
  6. Step 6: Final answer
    x = 435,857.88

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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.