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Finding the Fourth Proportional to 342,772.69, 473,023.02 and 197,525.11

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Solution

The fourth proportional to 342,772.69, 473,023.02 and 197,525.11 is: 272,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,772.69 : 473,023.02 = 197,525.11 : x
  2. Step 2: Convert to fraction form
    342,772.69/473,023.02 = 197,525.11/x
  3. Step 3: Cross multiply
    342,772.69x = 473,023.02 × 197,525.11
  4. Step 4: Simplify right side
    342,772.69x = 93,433,922,875.47
  5. Step 5: Solve for x
    x = 93,433,922,875.47/342,772.69
  6. Step 6: Final answer
    x = 272,582.75

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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.