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Finding the Fourth Proportional to 304,432.62, 456,657.12 and 135,913.35

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Solution

The fourth proportional to 304,432.62, 456,657.12 and 135,913.35 is: 203,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,432.62 : 456,657.12 = 135,913.35 : x
  2. Step 2: Convert to fraction form
    304,432.62/456,657.12 = 135,913.35/x
  3. Step 3: Cross multiply
    304,432.62x = 456,657.12 × 135,913.35
  4. Step 4: Simplify right side
    304,432.62x = 62,065,798,980.55
  5. Step 5: Solve for x
    x = 62,065,798,980.55/304,432.62
  6. Step 6: Final answer
    x = 203,873.68

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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.