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Finding the Fourth Proportional to 356,001.57, 534,002.76 and 131,264.64

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Solution

The fourth proportional to 356,001.57, 534,002.76 and 131,264.64 is: 196,897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,001.57 : 534,002.76 = 131,264.64 : x
  2. Step 2: Convert to fraction form
    356,001.57/534,002.76 = 131,264.64/x
  3. Step 3: Cross multiply
    356,001.57x = 534,002.76 × 131,264.64
  4. Step 4: Simplify right side
    356,001.57x = 70,095,680,050.41
  5. Step 5: Solve for x
    x = 70,095,680,050.41/356,001.57
  6. Step 6: Final answer
    x = 196,897.11

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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.