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Finding the Fourth Proportional to 886,711.64, 1,223,654.46 and 484,295

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Solution

The fourth proportional to 886,711.64, 1,223,654.46 and 484,295 is: 668,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,711.64 : 1,223,654.46 = 484,295 : x
  2. Step 2: Convert to fraction form
    886,711.64/1,223,654.46 = 484,295/x
  3. Step 3: Cross multiply
    886,711.64x = 1,223,654.46 × 484,295
  4. Step 4: Simplify right side
    886,711.64x = 592,609,736,705.70
  5. Step 5: Solve for x
    x = 592,609,736,705.70/886,711.64
  6. Step 6: Final answer
    x = 668,322.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.