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Finding the Fourth Proportional to 575,753.10, 794,578.20 and 334,035.78

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Solution

The fourth proportional to 575,753.10, 794,578.20 and 334,035.78 is: 460,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,753.10 : 794,578.20 = 334,035.78 : x
  2. Step 2: Convert to fraction form
    575,753.10/794,578.20 = 334,035.78/x
  3. Step 3: Cross multiply
    575,753.10x = 794,578.20 × 334,035.78
  4. Step 4: Simplify right side
    575,753.10x = 265,417,548,808.00
  5. Step 5: Solve for x
    x = 265,417,548,808.00/575,753.10
  6. Step 6: Final answer
    x = 460,991.96

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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.