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Finding the Fourth Proportional to 533,732.52, 736,412.58 and 318,777.96

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Solution

The fourth proportional to 533,732.52, 736,412.58 and 318,777.96 is: 439,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,732.52 : 736,412.58 = 318,777.96 : x
  2. Step 2: Convert to fraction form
    533,732.52/736,412.58 = 318,777.96/x
  3. Step 3: Cross multiply
    533,732.52x = 736,412.58 × 318,777.96
  4. Step 4: Simplify right side
    533,732.52x = 234,752,099,970.74
  5. Step 5: Solve for x
    x = 234,752,099,970.74/533,732.52
  6. Step 6: Final answer
    x = 439,830.98

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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.