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Finding the Fourth Proportional to 442,700.22, 610,864.66 and 251,692.50

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Solution

The fourth proportional to 442,700.22, 610,864.66 and 251,692.50 is: 347,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,700.22 : 610,864.66 = 251,692.50 : x
  2. Step 2: Convert to fraction form
    442,700.22/610,864.66 = 251,692.50/x
  3. Step 3: Cross multiply
    442,700.22x = 610,864.66 × 251,692.50
  4. Step 4: Simplify right side
    442,700.22x = 153,750,053,437.05
  5. Step 5: Solve for x
    x = 153,750,053,437.05/442,700.22
  6. Step 6: Final answer
    x = 347,300.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.