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Finding the Fourth Proportional to 369,948.65, 554,711.01 and 113,714.48

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Solution

The fourth proportional to 369,948.65, 554,711.01 and 113,714.48 is: 170,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,948.65 : 554,711.01 = 113,714.48 : x
  2. Step 2: Convert to fraction form
    369,948.65/554,711.01 = 113,714.48/x
  3. Step 3: Cross multiply
    369,948.65x = 554,711.01 × 113,714.48
  4. Step 4: Simplify right side
    369,948.65x = 63,078,675,439.20
  5. Step 5: Solve for x
    x = 63,078,675,439.20/369,948.65
  6. Step 6: Final answer
    x = 170,506.57

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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.