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Finding the Fourth Proportional to 519,353.90, 778,836.45 and 182,264.30

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Solution

The fourth proportional to 519,353.90, 778,836.45 and 182,264.30 is: 273,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,353.90 : 778,836.45 = 182,264.30 : x
  2. Step 2: Convert to fraction form
    519,353.90/778,836.45 = 182,264.30/x
  3. Step 3: Cross multiply
    519,353.90x = 778,836.45 × 182,264.30
  4. Step 4: Simplify right side
    519,353.90x = 141,954,080,373.74
  5. Step 5: Solve for x
    x = 141,954,080,373.74/519,353.90
  6. Step 6: Final answer
    x = 273,328.23

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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.