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Finding the Fourth Proportional to 417,244.15, 575,870.64 and 245,162.08

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Solution

The fourth proportional to 417,244.15, 575,870.64 and 245,162.08 is: 338,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,244.15 : 575,870.64 = 245,162.08 : x
  2. Step 2: Convert to fraction form
    417,244.15/575,870.64 = 245,162.08/x
  3. Step 3: Cross multiply
    417,244.15x = 575,870.64 × 245,162.08
  4. Step 4: Simplify right side
    417,244.15x = 141,181,641,033.98
  5. Step 5: Solve for x
    x = 141,181,641,033.98/417,244.15
  6. Step 6: Final answer
    x = 338,366.98

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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.