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Finding the Fourth Proportional to 378,526.70, 567,024.60 and 235,934.30

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Solution

The fourth proportional to 378,526.70, 567,024.60 and 235,934.30 is: 353,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,526.70 : 567,024.60 = 235,934.30 : x
  2. Step 2: Convert to fraction form
    378,526.70/567,024.60 = 235,934.30/x
  3. Step 3: Cross multiply
    378,526.70x = 567,024.60 × 235,934.30
  4. Step 4: Simplify right side
    378,526.70x = 133,780,552,083.78
  5. Step 5: Solve for x
    x = 133,780,552,083.78/378,526.70
  6. Step 6: Final answer
    x = 353,424.35

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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.