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Finding the Fourth Proportional to 888,910.30, 1,333,365.45 and 652,714.30

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Solution

The fourth proportional to 888,910.30, 1,333,365.45 and 652,714.30 is: 979,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,910.30 : 1,333,365.45 = 652,714.30 : x
  2. Step 2: Convert to fraction form
    888,910.30/1,333,365.45 = 652,714.30/x
  3. Step 3: Cross multiply
    888,910.30x = 1,333,365.45 × 652,714.30
  4. Step 4: Simplify right side
    888,910.30x = 870,306,696,340.94
  5. Step 5: Solve for x
    x = 870,306,696,340.94/888,910.30
  6. Step 6: Final answer
    x = 979,071.45

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Double scale
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Similar ratio
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1.5x scale

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.