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Finding the Fourth Proportional to 894,124.80, 1,340,726.40 and 332,870.40

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Solution

The fourth proportional to 894,124.80, 1,340,726.40 and 332,870.40 is: 499,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,124.80 : 1,340,726.40 = 332,870.40 : x
  2. Step 2: Convert to fraction form
    894,124.80/1,340,726.40 = 332,870.40/x
  3. Step 3: Cross multiply
    894,124.80x = 1,340,726.40 × 332,870.40
  4. Step 4: Simplify right side
    894,124.80x = 446,288,133,058.56
  5. Step 5: Solve for x
    x = 446,288,133,058.56/894,124.80
  6. Step 6: Final answer
    x = 499,134.05

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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.