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Finding the Fourth Proportional to 550,117.52, 825,106.17 and 212,927.48

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Solution

The fourth proportional to 550,117.52, 825,106.17 and 212,927.48 is: 319,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,117.52 : 825,106.17 = 212,927.48 : x
  2. Step 2: Convert to fraction form
    550,117.52/825,106.17 = 212,927.48/x
  3. Step 3: Cross multiply
    550,117.52x = 825,106.17 × 212,927.48
  4. Step 4: Simplify right side
    550,117.52x = 175,687,773,385.02
  5. Step 5: Solve for x
    x = 175,687,773,385.02/550,117.52
  6. Step 6: Final answer
    x = 319,364.08

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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.