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Finding the Fourth Proportional to 550,961.80, 826,442.70 and 372,502.60

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Solution

The fourth proportional to 550,961.80, 826,442.70 and 372,502.60 is: 558,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,961.80 : 826,442.70 = 372,502.60 : x
  2. Step 2: Convert to fraction form
    550,961.80/826,442.70 = 372,502.60/x
  3. Step 3: Cross multiply
    550,961.80x = 826,442.70 × 372,502.60
  4. Step 4: Simplify right side
    550,961.80x = 307,852,054,501.02
  5. Step 5: Solve for x
    x = 307,852,054,501.02/550,961.80
  6. Step 6: Final answer
    x = 558,753.90

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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.