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Finding the Fourth Proportional to 537,381.60, 806,590.80 and 271,442.40

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Solution

The fourth proportional to 537,381.60, 806,590.80 and 271,442.40 is: 407,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,381.60 : 806,590.80 = 271,442.40 : x
  2. Step 2: Convert to fraction form
    537,381.60/806,590.80 = 271,442.40/x
  3. Step 3: Cross multiply
    537,381.60x = 806,590.80 × 271,442.40
  4. Step 4: Simplify right side
    537,381.60x = 218,942,942,569.92
  5. Step 5: Solve for x
    x = 218,942,942,569.92/537,381.60
  6. Step 6: Final answer
    x = 407,425.45

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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.