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Finding the Fourth Proportional to 361,870.40, 542,805.60 and 175,246.40

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Solution

The fourth proportional to 361,870.40, 542,805.60 and 175,246.40 is: 262,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,870.40 : 542,805.60 = 175,246.40 : x
  2. Step 2: Convert to fraction form
    361,870.40/542,805.60 = 175,246.40/x
  3. Step 3: Cross multiply
    361,870.40x = 542,805.60 × 175,246.40
  4. Step 4: Simplify right side
    361,870.40x = 95,124,727,299.84
  5. Step 5: Solve for x
    x = 95,124,727,299.84/361,870.40
  6. Step 6: Final answer
    x = 262,869.60

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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.