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Finding the Fourth Proportional to 342,899.48, 473,160.84 and 197,703.66

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Solution

The fourth proportional to 342,899.48, 473,160.84 and 197,703.66 is: 272,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,899.48 : 473,160.84 = 197,703.66 : x
  2. Step 2: Convert to fraction form
    342,899.48/473,160.84 = 197,703.66/x
  3. Step 3: Cross multiply
    342,899.48x = 473,160.84 × 197,703.66
  4. Step 4: Simplify right side
    342,899.48x = 93,545,629,836.67
  5. Step 5: Solve for x
    x = 93,545,629,836.67/342,899.48
  6. Step 6: Final answer
    x = 272,807.73

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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.