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Finding the Fourth Proportional to 472,629.43, 708,940.50 and 117,641.08

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Solution

The fourth proportional to 472,629.43, 708,940.50 and 117,641.08 is: 176,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,629.43 : 708,940.50 = 117,641.08 : x
  2. Step 2: Convert to fraction form
    472,629.43/708,940.50 = 117,641.08/x
  3. Step 3: Cross multiply
    472,629.43x = 708,940.50 × 117,641.08
  4. Step 4: Simplify right side
    472,629.43x = 83,400,526,075.74
  5. Step 5: Solve for x
    x = 83,400,526,075.74/472,629.43
  6. Step 6: Final answer
    x = 176,460.71

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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.