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Finding the Fourth Proportional to 604,691.46, 834,508.68 and 346,611.36

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Solution

The fourth proportional to 604,691.46, 834,508.68 and 346,611.36 is: 478,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,691.46 : 834,508.68 = 346,611.36 : x
  2. Step 2: Convert to fraction form
    604,691.46/834,508.68 = 346,611.36/x
  3. Step 3: Cross multiply
    604,691.46x = 834,508.68 × 346,611.36
  4. Step 4: Simplify right side
    604,691.46x = 289,250,188,506.61
  5. Step 5: Solve for x
    x = 289,250,188,506.61/604,691.46
  6. Step 6: Final answer
    x = 478,343.43

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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.