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Finding the Fourth Proportional to 534,635.17, 737,681.72 and 316,912.49

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Solution

The fourth proportional to 534,635.17, 737,681.72 and 316,912.49 is: 437,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,635.17 : 737,681.72 = 316,912.49 : x
  2. Step 2: Convert to fraction form
    534,635.17/737,681.72 = 316,912.49/x
  3. Step 3: Cross multiply
    534,635.17x = 737,681.72 × 316,912.49
  4. Step 4: Simplify right side
    534,635.17x = 233,780,550,712.68
  5. Step 5: Solve for x
    x = 233,780,550,712.68/534,635.17
  6. Step 6: Final answer
    x = 437,271.18

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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.