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Finding the Fourth Proportional to 375,684.82, 518,498.20 and 232,490.98

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Solution

The fourth proportional to 375,684.82, 518,498.20 and 232,490.98 is: 320,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,684.82 : 518,498.20 = 232,490.98 : x
  2. Step 2: Convert to fraction form
    375,684.82/518,498.20 = 232,490.98/x
  3. Step 3: Cross multiply
    375,684.82x = 518,498.20 × 232,490.98
  4. Step 4: Simplify right side
    375,684.82x = 120,546,154,646.24
  5. Step 5: Solve for x
    x = 120,546,154,646.24/375,684.82
  6. Step 6: Final answer
    x = 320,870.44

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1.5x scale

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.