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Finding the Fourth Proportional to 384,625.83, 577,066.92 and 242,306.80

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Solution

The fourth proportional to 384,625.83, 577,066.92 and 242,306.80 is: 363,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,625.83 : 577,066.92 = 242,306.80 : x
  2. Step 2: Convert to fraction form
    384,625.83/577,066.92 = 242,306.80/x
  3. Step 3: Cross multiply
    384,625.83x = 577,066.92 × 242,306.80
  4. Step 4: Simplify right side
    384,625.83x = 139,827,238,771.06
  5. Step 5: Solve for x
    x = 139,827,238,771.06/384,625.83
  6. Step 6: Final answer
    x = 363,540.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.