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Finding the Fourth Proportional to 465,780.30, 698,670.45 and 324,062.70

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Solution

The fourth proportional to 465,780.30, 698,670.45 and 324,062.70 is: 486,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,780.30 : 698,670.45 = 324,062.70 : x
  2. Step 2: Convert to fraction form
    465,780.30/698,670.45 = 324,062.70/x
  3. Step 3: Cross multiply
    465,780.30x = 698,670.45 × 324,062.70
  4. Step 4: Simplify right side
    465,780.30x = 226,413,032,437.22
  5. Step 5: Solve for x
    x = 226,413,032,437.22/465,780.30
  6. Step 6: Final answer
    x = 486,094.05

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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.