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Finding the Fourth Proportional to 398,347.65, 597,627.86 and 173,726.19

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Solution

The fourth proportional to 398,347.65, 597,627.86 and 173,726.19 is: 260,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,347.65 : 597,627.86 = 173,726.19 : x
  2. Step 2: Convert to fraction form
    398,347.65/597,627.86 = 173,726.19/x
  3. Step 3: Cross multiply
    398,347.65x = 597,627.86 × 173,726.19
  4. Step 4: Simplify right side
    398,347.65x = 103,823,610,287.02
  5. Step 5: Solve for x
    x = 103,823,610,287.02/398,347.65
  6. Step 6: Final answer
    x = 260,635.68

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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.