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Finding the Fourth Proportional to 457,522.07, 686,374.83 and 158,013.63

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Solution

The fourth proportional to 457,522.07, 686,374.83 and 158,013.63 is: 237,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,522.07 : 686,374.83 = 158,013.63 : x
  2. Step 2: Convert to fraction form
    457,522.07/686,374.83 = 158,013.63/x
  3. Step 3: Cross multiply
    457,522.07x = 686,374.83 × 158,013.63
  4. Step 4: Simplify right side
    457,522.07x = 108,456,578,428.93
  5. Step 5: Solve for x
    x = 108,456,578,428.93/457,522.07
  6. Step 6: Final answer
    x = 237,052.13

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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.