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Finding the Fourth Proportional to 253,462.92, 349,856.76 and 146,104.74

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Solution

The fourth proportional to 253,462.92, 349,856.76 and 146,104.74 is: 201,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,462.92 : 349,856.76 = 146,104.74 : x
  2. Step 2: Convert to fraction form
    253,462.92/349,856.76 = 146,104.74/x
  3. Step 3: Cross multiply
    253,462.92x = 349,856.76 × 146,104.74
  4. Step 4: Simplify right side
    253,462.92x = 51,115,730,957.04
  5. Step 5: Solve for x
    x = 51,115,730,957.04/253,462.92
  6. Step 6: Final answer
    x = 201,669.46

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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.