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Finding the Fourth Proportional to 466,854.84, 700,223.90 and 129,920.76

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Solution

The fourth proportional to 466,854.84, 700,223.90 and 129,920.76 is: 194,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,854.84 : 700,223.90 = 129,920.76 : x
  2. Step 2: Convert to fraction form
    466,854.84/700,223.90 = 129,920.76/x
  3. Step 3: Cross multiply
    466,854.84x = 700,223.90 × 129,920.76
  4. Step 4: Simplify right side
    466,854.84x = 90,973,621,258.16
  5. Step 5: Solve for x
    x = 90,973,621,258.16/466,854.84
  6. Step 6: Final answer
    x = 194,864.90

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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.