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Finding the Fourth Proportional to 372,397.52, 514,082.76 and 238,339.28

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Solution

The fourth proportional to 372,397.52, 514,082.76 and 238,339.28 is: 329,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,397.52 : 514,082.76 = 238,339.28 : x
  2. Step 2: Convert to fraction form
    372,397.52/514,082.76 = 238,339.28/x
  3. Step 3: Cross multiply
    372,397.52x = 514,082.76 × 238,339.28
  4. Step 4: Simplify right side
    372,397.52x = 122,526,114,878.81
  5. Step 5: Solve for x
    x = 122,526,114,878.81/372,397.52
  6. Step 6: Final answer
    x = 329,019.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.