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Finding the Fourth Proportional to 360,565.27, 540,848.82 and 147,333.19

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Solution

The fourth proportional to 360,565.27, 540,848.82 and 147,333.19 is: 221,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,565.27 : 540,848.82 = 147,333.19 : x
  2. Step 2: Convert to fraction form
    360,565.27/540,848.82 = 147,333.19/x
  3. Step 3: Cross multiply
    360,565.27x = 540,848.82 × 147,333.19
  4. Step 4: Simplify right side
    360,565.27x = 79,684,979,254.09
  5. Step 5: Solve for x
    x = 79,684,979,254.09/360,565.27
  6. Step 6: Final answer
    x = 221,000.15

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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.