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Finding the Fourth Proportional to 648,603.70, 972,905.55 and 227,922.10

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Solution

The fourth proportional to 648,603.70, 972,905.55 and 227,922.10 is: 341,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,603.70 : 972,905.55 = 227,922.10 : x
  2. Step 2: Convert to fraction form
    648,603.70/972,905.55 = 227,922.10/x
  3. Step 3: Cross multiply
    648,603.70x = 972,905.55 × 227,922.10
  4. Step 4: Simplify right side
    648,603.70x = 221,746,676,057.66
  5. Step 5: Solve for x
    x = 221,746,676,057.66/648,603.70
  6. Step 6: Final answer
    x = 341,883.15

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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.