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Finding the Fourth Proportional to 609,304.80, 914,114.88 and 356,798.64

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Solution

The fourth proportional to 609,304.80, 914,114.88 and 356,798.64 is: 535,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,304.80 : 914,114.88 = 356,798.64 : x
  2. Step 2: Convert to fraction form
    609,304.80/914,114.88 = 356,798.64/x
  3. Step 3: Cross multiply
    609,304.80x = 914,114.88 × 356,798.64
  4. Step 4: Simplify right side
    609,304.80x = 326,154,945,987.76
  5. Step 5: Solve for x
    x = 326,154,945,987.76/609,304.80
  6. Step 6: Final answer
    x = 535,290.29

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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.