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Finding the Fourth Proportional to 343,280.40, 514,613.40 and 132,848.40

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Solution

The fourth proportional to 343,280.40, 514,613.40 and 132,848.40 is: 199,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,280.40 : 514,613.40 = 132,848.40 : x
  2. Step 2: Convert to fraction form
    343,280.40/514,613.40 = 132,848.40/x
  3. Step 3: Cross multiply
    343,280.40x = 514,613.40 × 132,848.40
  4. Step 4: Simplify right side
    343,280.40x = 68,365,566,808.56
  5. Step 5: Solve for x
    x = 68,365,566,808.56/343,280.40
  6. Step 6: Final answer
    x = 199,153.71

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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.