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Finding the Fourth Proportional to 359,159.10, 538,082.55 and 292,236.90

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Solution

The fourth proportional to 359,159.10, 538,082.55 and 292,236.90 is: 437,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,159.10 : 538,082.55 = 292,236.90 : x
  2. Step 2: Convert to fraction form
    359,159.10/538,082.55 = 292,236.90/x
  3. Step 3: Cross multiply
    359,159.10x = 538,082.55 × 292,236.90
  4. Step 4: Simplify right side
    359,159.10x = 157,247,576,356.10
  5. Step 5: Solve for x
    x = 157,247,576,356.10/359,159.10
  6. Step 6: Final answer
    x = 437,821.50

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1.5x scale

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.