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Finding the Fourth Proportional to 175,538.40, 245,287.20 and 175,538.40

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Solution

The fourth proportional to 175,538.40, 245,287.20 and 175,538.40 is: 245,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,538.40 : 245,287.20 = 175,538.40 : x
  2. Step 2: Convert to fraction form
    175,538.40/245,287.20 = 175,538.40/x
  3. Step 3: Cross multiply
    175,538.40x = 245,287.20 × 175,538.40
  4. Step 4: Simplify right side
    175,538.40x = 43,057,322,628.48
  5. Step 5: Solve for x
    x = 43,057,322,628.48/175,538.40
  6. Step 6: Final answer
    x = 245,287.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.