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Finding the Fourth Proportional to 469,818.40, 704,351.76 and 245,066.08

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Solution

The fourth proportional to 469,818.40, 704,351.76 and 245,066.08 is: 367,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,818.40 : 704,351.76 = 245,066.08 : x
  2. Step 2: Convert to fraction form
    469,818.40/704,351.76 = 245,066.08/x
  3. Step 3: Cross multiply
    469,818.40x = 704,351.76 × 245,066.08
  4. Step 4: Simplify right side
    469,818.40x = 172,612,724,764.30
  5. Step 5: Solve for x
    x = 172,612,724,764.30/469,818.40
  6. Step 6: Final answer
    x = 367,403.07

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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.