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Finding the Fourth Proportional to 417,244.65, 575,871.33 and 245,162.58

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Solution

The fourth proportional to 417,244.65, 575,871.33 and 245,162.58 is: 338,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,244.65 : 575,871.33 = 245,162.58 : x
  2. Step 2: Convert to fraction form
    417,244.65/575,871.33 = 245,162.58/x
  3. Step 3: Cross multiply
    417,244.65x = 575,871.33 × 245,162.58
  4. Step 4: Simplify right side
    417,244.65x = 141,182,101,010.83
  5. Step 5: Solve for x
    x = 141,182,101,010.83/417,244.65
  6. Step 6: Final answer
    x = 338,367.67

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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.