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Finding the Fourth Proportional to 341,422.83, 511,845.03 and 141,618.51

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Solution

The fourth proportional to 341,422.83, 511,845.03 and 141,618.51 is: 212,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,422.83 : 511,845.03 = 141,618.51 : x
  2. Step 2: Convert to fraction form
    341,422.83/511,845.03 = 141,618.51/x
  3. Step 3: Cross multiply
    341,422.83x = 511,845.03 × 141,618.51
  4. Step 4: Simplify right side
    341,422.83x = 72,486,730,499.51
  5. Step 5: Solve for x
    x = 72,486,730,499.51/341,422.83
  6. Step 6: Final answer
    x = 212,307.80

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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.