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Finding the Fourth Proportional to 342,866.83, 473,115.81 and 197,671

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Solution

The fourth proportional to 342,866.83, 473,115.81 and 197,671 is: 272,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,866.83 : 473,115.81 = 197,671 : x
  2. Step 2: Convert to fraction form
    342,866.83/473,115.81 = 197,671/x
  3. Step 3: Cross multiply
    342,866.83x = 473,115.81 × 197,671
  4. Step 4: Simplify right side
    342,866.83x = 93,521,275,278.51
  5. Step 5: Solve for x
    x = 93,521,275,278.51/342,866.83
  6. Step 6: Final answer
    x = 272,762.68

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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.