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Finding the Fourth Proportional to 343,016.76, 514,250.36 and 163,011.86

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Solution

The fourth proportional to 343,016.76, 514,250.36 and 163,011.86 is: 244,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,016.76 : 514,250.36 = 163,011.86 : x
  2. Step 2: Convert to fraction form
    343,016.76/514,250.36 = 163,011.86/x
  3. Step 3: Cross multiply
    343,016.76x = 514,250.36 × 163,011.86
  4. Step 4: Simplify right side
    343,016.76x = 83,828,907,689.27
  5. Step 5: Solve for x
    x = 83,828,907,689.27/343,016.76
  6. Step 6: Final answer
    x = 244,387.21

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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.