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Finding the Fourth Proportional to 424,570.93, 636,835.58 and 158,310.62

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Solution

The fourth proportional to 424,570.93, 636,835.58 and 158,310.62 is: 237,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,570.93 : 636,835.58 = 158,310.62 : x
  2. Step 2: Convert to fraction form
    424,570.93/636,835.58 = 158,310.62/x
  3. Step 3: Cross multiply
    424,570.93x = 636,835.58 × 158,310.62
  4. Step 4: Simplify right side
    424,570.93x = 100,817,834,513.93
  5. Step 5: Solve for x
    x = 100,817,834,513.93/424,570.93
  6. Step 6: Final answer
    x = 237,458.17

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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.