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Finding the Fourth Proportional to 342,988.65, 514,502.42 and 106,364.97

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Solution

The fourth proportional to 342,988.65, 514,502.42 and 106,364.97 is: 159,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,988.65 : 514,502.42 = 106,364.97 : x
  2. Step 2: Convert to fraction form
    342,988.65/514,502.42 = 106,364.97/x
  3. Step 3: Cross multiply
    342,988.65x = 514,502.42 × 106,364.97
  4. Step 4: Simplify right side
    342,988.65x = 54,725,033,936.40
  5. Step 5: Solve for x
    x = 54,725,033,936.40/342,988.65
  6. Step 6: Final answer
    x = 159,553.48

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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.