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Finding the Fourth Proportional to 534,572.30, 737,709.68 and 319,712.37

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Solution

The fourth proportional to 534,572.30, 737,709.68 and 319,712.37 is: 441,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,572.30 : 737,709.68 = 319,712.37 : x
  2. Step 2: Convert to fraction form
    534,572.30/737,709.68 = 319,712.37/x
  3. Step 3: Cross multiply
    534,572.30x = 737,709.68 × 319,712.37
  4. Step 4: Simplify right side
    534,572.30x = 235,854,908,566.18
  5. Step 5: Solve for x
    x = 235,854,908,566.18/534,572.30
  6. Step 6: Final answer
    x = 441,203.02

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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.