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Finding the Fourth Proportional to 537,123.78, 741,230.54 and 295,422.62

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Solution

The fourth proportional to 537,123.78, 741,230.54 and 295,422.62 is: 407,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,123.78 : 741,230.54 = 295,422.62 : x
  2. Step 2: Convert to fraction form
    537,123.78/741,230.54 = 295,422.62/x
  3. Step 3: Cross multiply
    537,123.78x = 741,230.54 × 295,422.62
  4. Step 4: Simplify right side
    537,123.78x = 218,976,262,967.55
  5. Step 5: Solve for x
    x = 218,976,262,967.55/537,123.78
  6. Step 6: Final answer
    x = 407,683.05

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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.