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Finding the Fourth Proportional to 342,959.87, 473,271.17 and 187,908.38

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Solution

The fourth proportional to 342,959.87, 473,271.17 and 187,908.38 is: 259,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,959.87 : 473,271.17 = 187,908.38 : x
  2. Step 2: Convert to fraction form
    342,959.87/473,271.17 = 187,908.38/x
  3. Step 3: Cross multiply
    342,959.87x = 473,271.17 × 187,908.38
  4. Step 4: Simplify right side
    342,959.87x = 88,931,615,549.51
  5. Step 5: Solve for x
    x = 88,931,615,549.51/342,959.87
  6. Step 6: Final answer
    x = 259,306.19

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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.