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Finding the Fourth Proportional to 402,777.10, 604,165.65 and 270,066.70

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Solution

The fourth proportional to 402,777.10, 604,165.65 and 270,066.70 is: 405,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,777.10 : 604,165.65 = 270,066.70 : x
  2. Step 2: Convert to fraction form
    402,777.10/604,165.65 = 270,066.70/x
  3. Step 3: Cross multiply
    402,777.10x = 604,165.65 × 270,066.70
  4. Step 4: Simplify right side
    402,777.10x = 163,165,023,348.86
  5. Step 5: Solve for x
    x = 163,165,023,348.86/402,777.10
  6. Step 6: Final answer
    x = 405,100.05

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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.