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Finding the Fourth Proportional to 888,908.30, 1,333,362.45 and 652,712.30

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Solution

The fourth proportional to 888,908.30, 1,333,362.45 and 652,712.30 is: 979,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,908.30 : 1,333,362.45 = 652,712.30 : x
  2. Step 2: Convert to fraction form
    888,908.30/1,333,362.45 = 652,712.30/x
  3. Step 3: Cross multiply
    888,908.30x = 1,333,362.45 × 652,712.30
  4. Step 4: Simplify right side
    888,908.30x = 870,302,071,473.14
  5. Step 5: Solve for x
    x = 870,302,071,473.14/888,908.30
  6. Step 6: Final answer
    x = 979,068.45

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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.