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Finding the Fourth Proportional to 479,545.29, 719,053.05 and 301,671.72

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Solution

The fourth proportional to 479,545.29, 719,053.05 and 301,671.72 is: 452,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,545.29 : 719,053.05 = 301,671.72 : x
  2. Step 2: Convert to fraction form
    479,545.29/719,053.05 = 301,671.72/x
  3. Step 3: Cross multiply
    479,545.29x = 719,053.05 × 301,671.72
  4. Step 4: Simplify right side
    479,545.29x = 216,917,970,364.75
  5. Step 5: Solve for x
    x = 216,917,970,364.75/479,545.29
  6. Step 6: Final answer
    x = 452,340.95

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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.