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Finding the Fourth Proportional to 465,437.92, 642,113.04 and 295,610.08

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Solution

The fourth proportional to 465,437.92, 642,113.04 and 295,610.08 is: 407,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,437.92 : 642,113.04 = 295,610.08 : x
  2. Step 2: Convert to fraction form
    465,437.92/642,113.04 = 295,610.08/x
  3. Step 3: Cross multiply
    465,437.92x = 642,113.04 × 295,610.08
  4. Step 4: Simplify right side
    465,437.92x = 189,815,087,123.44
  5. Step 5: Solve for x
    x = 189,815,087,123.44/465,437.92
  6. Step 6: Final answer
    x = 407,820.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.