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Finding the Fourth Proportional to 593,278.80, 890,209.80 and 277,681.20

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Solution

The fourth proportional to 593,278.80, 890,209.80 and 277,681.20 is: 416,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,278.80 : 890,209.80 = 277,681.20 : x
  2. Step 2: Convert to fraction form
    593,278.80/890,209.80 = 277,681.20/x
  3. Step 3: Cross multiply
    593,278.80x = 890,209.80 × 277,681.20
  4. Step 4: Simplify right side
    593,278.80x = 247,194,525,515.76
  5. Step 5: Solve for x
    x = 247,194,525,515.76/593,278.80
  6. Step 6: Final answer
    x = 416,658.28

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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.