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Finding the Fourth Proportional to 343,237.40, 514,856.10 and 185,773.40

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Solution

The fourth proportional to 343,237.40, 514,856.10 and 185,773.40 is: 278,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,237.40 : 514,856.10 = 185,773.40 : x
  2. Step 2: Convert to fraction form
    343,237.40/514,856.10 = 185,773.40/x
  3. Step 3: Cross multiply
    343,237.40x = 514,856.10 × 185,773.40
  4. Step 4: Simplify right side
    343,237.40x = 95,646,568,207.74
  5. Step 5: Solve for x
    x = 95,646,568,207.74/343,237.40
  6. Step 6: Final answer
    x = 278,660.10

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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.