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Finding the Fourth Proportional to 593,315.80, 890,265.30 and 277,718.20

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Solution

The fourth proportional to 593,315.80, 890,265.30 and 277,718.20 is: 416,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,315.80 : 890,265.30 = 277,718.20 : x
  2. Step 2: Convert to fraction form
    593,315.80/890,265.30 = 277,718.20/x
  3. Step 3: Cross multiply
    593,315.80x = 890,265.30 × 277,718.20
  4. Step 4: Simplify right side
    593,315.80x = 247,242,876,638.46
  5. Step 5: Solve for x
    x = 247,242,876,638.46/593,315.80
  6. Step 6: Final answer
    x = 416,713.79

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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.