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Finding the Fourth Proportional to 424,717.36, 636,631.80 and 158,362

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Solution

The fourth proportional to 424,717.36, 636,631.80 and 158,362 is: 237,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,717.36 : 636,631.80 = 158,362 : x
  2. Step 2: Convert to fraction form
    424,717.36/636,631.80 = 158,362/x
  3. Step 3: Cross multiply
    424,717.36x = 636,631.80 × 158,362
  4. Step 4: Simplify right side
    424,717.36x = 100,818,285,111.60
  5. Step 5: Solve for x
    x = 100,818,285,111.60/424,717.36
  6. Step 6: Final answer
    x = 237,377.36

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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.