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Finding the Fourth Proportional to 461,446.60, 691,521.90 and 366,838.60

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Solution

The fourth proportional to 461,446.60, 691,521.90 and 366,838.60 is: 549,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,446.60 : 691,521.90 = 366,838.60 : x
  2. Step 2: Convert to fraction form
    461,446.60/691,521.90 = 366,838.60/x
  3. Step 3: Cross multiply
    461,446.60x = 691,521.90 × 366,838.60
  4. Step 4: Simplify right side
    461,446.60x = 253,676,925,665.34
  5. Step 5: Solve for x
    x = 253,676,925,665.34/461,446.60
  6. Step 6: Final answer
    x = 549,742.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.