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Finding the Fourth Proportional to 281,752.73, 388,858.62 and 174,357.36

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Solution

The fourth proportional to 281,752.73, 388,858.62 and 174,357.36 is: 240,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,752.73 : 388,858.62 = 174,357.36 : x
  2. Step 2: Convert to fraction form
    281,752.73/388,858.62 = 174,357.36/x
  3. Step 3: Cross multiply
    281,752.73x = 388,858.62 × 174,357.36
  4. Step 4: Simplify right side
    281,752.73x = 67,800,363,050.28
  5. Step 5: Solve for x
    x = 67,800,363,050.28/281,752.73
  6. Step 6: Final answer
    x = 240,637.82

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1.5x scale

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.