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Finding the Fourth Proportional to 534,472, 737,549.76 and 319,730.74

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Solution

The fourth proportional to 534,472, 737,549.76 and 319,730.74 is: 441,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,472 : 737,549.76 = 319,730.74 : x
  2. Step 2: Convert to fraction form
    534,472/737,549.76 = 319,730.74/x
  3. Step 3: Cross multiply
    534,472x = 737,549.76 × 319,730.74
  4. Step 4: Simplify right side
    534,472x = 235,817,330,551.62
  5. Step 5: Solve for x
    x = 235,817,330,551.62/534,472
  6. Step 6: Final answer
    x = 441,215.50

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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.