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Finding the Fourth Proportional to 342,988.32, 473,330.40 and 192,084.96

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Solution

The fourth proportional to 342,988.32, 473,330.40 and 192,084.96 is: 265,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,988.32 : 473,330.40 = 192,084.96 : x
  2. Step 2: Convert to fraction form
    342,988.32/473,330.40 = 192,084.96/x
  3. Step 3: Cross multiply
    342,988.32x = 473,330.40 × 192,084.96
  4. Step 4: Simplify right side
    342,988.32x = 90,919,650,950.78
  5. Step 5: Solve for x
    x = 90,919,650,950.78/342,988.32
  6. Step 6: Final answer
    x = 265,080.90

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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.