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Finding the Fourth Proportional to 974,854.80, 1,462,282.20 and 886,281.30

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Solution

The fourth proportional to 974,854.80, 1,462,282.20 and 886,281.30 is: 1,329,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,854.80 : 1,462,282.20 = 886,281.30 : x
  2. Step 2: Convert to fraction form
    974,854.80/1,462,282.20 = 886,281.30/x
  3. Step 3: Cross multiply
    974,854.80x = 1,462,282.20 × 886,281.30
  4. Step 4: Simplify right side
    974,854.80x = 1,295,993,369,182.86
  5. Step 5: Solve for x
    x = 1,295,993,369,182.86/974,854.80
  6. Step 6: Final answer
    x = 1,329,421.95

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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.