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Finding the Fourth Proportional to 373,042.80, 559,564.20 and 254,944.80

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Solution

The fourth proportional to 373,042.80, 559,564.20 and 254,944.80 is: 382,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,042.80 : 559,564.20 = 254,944.80 : x
  2. Step 2: Convert to fraction form
    373,042.80/559,564.20 = 254,944.80/x
  3. Step 3: Cross multiply
    373,042.80x = 559,564.20 × 254,944.80
  4. Step 4: Simplify right side
    373,042.80x = 142,657,983,056.16
  5. Step 5: Solve for x
    x = 142,657,983,056.16/373,042.80
  6. Step 6: Final answer
    x = 382,417.20

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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.