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Finding the Fourth Proportional to 354,800.15, 532,036.20 and 155,017.70

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Solution

The fourth proportional to 354,800.15, 532,036.20 and 155,017.70 is: 232,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,800.15 : 532,036.20 = 155,017.70 : x
  2. Step 2: Convert to fraction form
    354,800.15/532,036.20 = 155,017.70/x
  3. Step 3: Cross multiply
    354,800.15x = 532,036.20 × 155,017.70
  4. Step 4: Simplify right side
    354,800.15x = 82,475,028,040.74
  5. Step 5: Solve for x
    x = 82,475,028,040.74/354,800.15
  6. Step 6: Final answer
    x = 232,454.88

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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.