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Finding the Fourth Proportional to 259,411.53, 357,933.46 and 157,490.65

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Solution

The fourth proportional to 259,411.53, 357,933.46 and 157,490.65 is: 217,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,411.53 : 357,933.46 = 157,490.65 : x
  2. Step 2: Convert to fraction form
    259,411.53/357,933.46 = 157,490.65/x
  3. Step 3: Cross multiply
    259,411.53x = 357,933.46 × 157,490.65
  4. Step 4: Simplify right side
    259,411.53x = 56,371,173,272.15
  5. Step 5: Solve for x
    x = 56,371,173,272.15/259,411.53
  6. Step 6: Final answer
    x = 217,304.04

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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.