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Finding the Fourth Proportional to 225,319.64, 310,609.82 and 171,510.93

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Solution

The fourth proportional to 225,319.64, 310,609.82 and 171,510.93 is: 236,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,319.64 : 310,609.82 = 171,510.93 : x
  2. Step 2: Convert to fraction form
    225,319.64/310,609.82 = 171,510.93/x
  3. Step 3: Cross multiply
    225,319.64x = 310,609.82 × 171,510.93
  4. Step 4: Simplify right side
    225,319.64x = 53,272,979,524.11
  5. Step 5: Solve for x
    x = 53,272,979,524.11/225,319.64
  6. Step 6: Final answer
    x = 236,432.92

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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.