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Finding the Fourth Proportional to 519,675.38, 717,146.61 and 293,330.42

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Solution

The fourth proportional to 519,675.38, 717,146.61 and 293,330.42 is: 404,792.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,675.38 : 717,146.61 = 293,330.42 : x
  2. Step 2: Convert to fraction form
    519,675.38/717,146.61 = 293,330.42/x
  3. Step 3: Cross multiply
    519,675.38x = 717,146.61 × 293,330.42
  4. Step 4: Simplify right side
    519,675.38x = 210,360,916,312.88
  5. Step 5: Solve for x
    x = 210,360,916,312.88/519,675.38
  6. Step 6: Final answer
    x = 404,792.92

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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.