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Finding the Fourth Proportional to 534,572.55, 737,710.02 and 319,712.62

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Solution

The fourth proportional to 534,572.55, 737,710.02 and 319,712.62 is: 441,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,572.55 : 737,710.02 = 319,712.62 : x
  2. Step 2: Convert to fraction form
    534,572.55/737,710.02 = 319,712.62/x
  3. Step 3: Cross multiply
    534,572.55x = 737,710.02 × 319,712.62
  4. Step 4: Simplify right side
    534,572.55x = 235,855,203,294.45
  5. Step 5: Solve for x
    x = 235,855,203,294.45/534,572.55
  6. Step 6: Final answer
    x = 441,203.36

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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.