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Finding the Fourth Proportional to 971,364.30, 1,457,046.45 and 888,695.70

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Solution

The fourth proportional to 971,364.30, 1,457,046.45 and 888,695.70 is: 1,333,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,364.30 : 1,457,046.45 = 888,695.70 : x
  2. Step 2: Convert to fraction form
    971,364.30/1,457,046.45 = 888,695.70/x
  3. Step 3: Cross multiply
    971,364.30x = 1,457,046.45 × 888,695.70
  4. Step 4: Simplify right side
    971,364.30x = 1,294,870,914,815.26
  5. Step 5: Solve for x
    x = 1,294,870,914,815.26/971,364.30
  6. Step 6: Final answer
    x = 1,333,043.55

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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.