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Finding the Fourth Proportional to 537,870.80, 806,806.20 and 360,923.60

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Solution

The fourth proportional to 537,870.80, 806,806.20 and 360,923.60 is: 541,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,870.80 : 806,806.20 = 360,923.60 : x
  2. Step 2: Convert to fraction form
    537,870.80/806,806.20 = 360,923.60/x
  3. Step 3: Cross multiply
    537,870.80x = 806,806.20 × 360,923.60
  4. Step 4: Simplify right side
    537,870.80x = 291,195,398,206.32
  5. Step 5: Solve for x
    x = 291,195,398,206.32/537,870.80
  6. Step 6: Final answer
    x = 541,385.40

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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.