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Finding the Fourth Proportional to 542,870.91, 814,306.37 and 371,924.06

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Solution

The fourth proportional to 542,870.91, 814,306.37 and 371,924.06 is: 557,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,870.91 : 814,306.37 = 371,924.06 : x
  2. Step 2: Convert to fraction form
    542,870.91/814,306.37 = 371,924.06/x
  3. Step 3: Cross multiply
    542,870.91x = 814,306.37 × 371,924.06
  4. Step 4: Simplify right side
    542,870.91x = 302,860,125,283.11
  5. Step 5: Solve for x
    x = 302,860,125,283.11/542,870.91
  6. Step 6: Final answer
    x = 557,886.08

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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.