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Finding the Fourth Proportional to 342,802.62, 473,041.35 and 191,879.10

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Solution

The fourth proportional to 342,802.62, 473,041.35 and 191,879.10 is: 264,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,802.62 : 473,041.35 = 191,879.10 : x
  2. Step 2: Convert to fraction form
    342,802.62/473,041.35 = 191,879.10/x
  3. Step 3: Cross multiply
    342,802.62x = 473,041.35 × 191,879.10
  4. Step 4: Simplify right side
    342,802.62x = 90,766,748,500.79
  5. Step 5: Solve for x
    x = 90,766,748,500.79/342,802.62
  6. Step 6: Final answer
    x = 264,778.46

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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.