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Finding the Fourth Proportional to 371,574.84, 557,219.64 and 158,207.47

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Solution

The fourth proportional to 371,574.84, 557,219.64 and 158,207.47 is: 237,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,574.84 : 557,219.64 = 158,207.47 : x
  2. Step 2: Convert to fraction form
    371,574.84/557,219.64 = 158,207.47/x
  3. Step 3: Cross multiply
    371,574.84x = 557,219.64 × 158,207.47
  4. Step 4: Simplify right side
    371,574.84x = 88,156,309,478.71
  5. Step 5: Solve for x
    x = 88,156,309,478.71/371,574.84
  6. Step 6: Final answer
    x = 237,250.48

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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.