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Finding the Fourth Proportional to 342,443.64, 473,023.77 and 262,854.66

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Solution

The fourth proportional to 342,443.64, 473,023.77 and 262,854.66 is: 363,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,443.64 : 473,023.77 = 262,854.66 : x
  2. Step 2: Convert to fraction form
    342,443.64/473,023.77 = 262,854.66/x
  3. Step 3: Cross multiply
    342,443.64x = 473,023.77 × 262,854.66
  4. Step 4: Simplify right side
    342,443.64x = 124,336,502,235.27
  5. Step 5: Solve for x
    x = 124,336,502,235.27/342,443.64
  6. Step 6: Final answer
    x = 363,086.03

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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.