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Finding the Fourth Proportional to 675,306.68, 931,011.25 and 433,168.92

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Solution

The fourth proportional to 675,306.68, 931,011.25 and 433,168.92 is: 597,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,306.68 : 931,011.25 = 433,168.92 : x
  2. Step 2: Convert to fraction form
    675,306.68/931,011.25 = 433,168.92/x
  3. Step 3: Cross multiply
    675,306.68x = 931,011.25 × 433,168.92
  4. Step 4: Simplify right side
    675,306.68x = 403,285,137,670.35
  5. Step 5: Solve for x
    x = 403,285,137,670.35/675,306.68
  6. Step 6: Final answer
    x = 597,188.14

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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.