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Finding the Fourth Proportional to 296,478.39, 444,159.60 and 146,543.15

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Solution

The fourth proportional to 296,478.39, 444,159.60 and 146,543.15 is: 219,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,478.39 : 444,159.60 = 146,543.15 : x
  2. Step 2: Convert to fraction form
    296,478.39/444,159.60 = 146,543.15/x
  3. Step 3: Cross multiply
    296,478.39x = 444,159.60 × 146,543.15
  4. Step 4: Simplify right side
    296,478.39x = 65,088,544,665.94
  5. Step 5: Solve for x
    x = 65,088,544,665.94/296,478.39
  6. Step 6: Final answer
    x = 219,538.92

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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.