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Finding the Fourth Proportional to 342,884.31, 473,154.60 and 197,586.87

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Solution

The fourth proportional to 342,884.31, 473,154.60 and 197,586.87 is: 272,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,884.31 : 473,154.60 = 197,586.87 : x
  2. Step 2: Convert to fraction form
    342,884.31/473,154.60 = 197,586.87/x
  3. Step 3: Cross multiply
    342,884.31x = 473,154.60 × 197,586.87
  4. Step 4: Simplify right side
    342,884.31x = 93,489,136,459.61
  5. Step 5: Solve for x
    x = 93,489,136,459.61/342,884.31
  6. Step 6: Final answer
    x = 272,655.04

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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.