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Finding the Fourth Proportional to 363,030.10, 544,545.15 and 185,478.10

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Solution

The fourth proportional to 363,030.10, 544,545.15 and 185,478.10 is: 278,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,030.10 : 544,545.15 = 185,478.10 : x
  2. Step 2: Convert to fraction form
    363,030.10/544,545.15 = 185,478.10/x
  3. Step 3: Cross multiply
    363,030.10x = 544,545.15 × 185,478.10
  4. Step 4: Simplify right side
    363,030.10x = 101,001,199,786.22
  5. Step 5: Solve for x
    x = 101,001,199,786.22/363,030.10
  6. Step 6: Final answer
    x = 278,217.15

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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.