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Finding the Fourth Proportional to 247,188.24, 370,661.40 and 172,344.24

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Solution

The fourth proportional to 247,188.24, 370,661.40 and 172,344.24 is: 258,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,188.24 : 370,661.40 = 172,344.24 : x
  2. Step 2: Convert to fraction form
    247,188.24/370,661.40 = 172,344.24/x
  3. Step 3: Cross multiply
    247,188.24x = 370,661.40 × 172,344.24
  4. Step 4: Simplify right side
    247,188.24x = 63,881,357,280.34
  5. Step 5: Solve for x
    x = 63,881,357,280.34/247,188.24
  6. Step 6: Final answer
    x = 258,432.02

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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.