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Finding the Fourth Proportional to 452,338.56, 624,339.36 and 261,470.88

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Solution

The fourth proportional to 452,338.56, 624,339.36 and 261,470.88 is: 360,894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,338.56 : 624,339.36 = 261,470.88 : x
  2. Step 2: Convert to fraction form
    452,338.56/624,339.36 = 261,470.88/x
  3. Step 3: Cross multiply
    452,338.56x = 624,339.36 × 261,470.88
  4. Step 4: Simplify right side
    452,338.56x = 163,246,561,877.84
  5. Step 5: Solve for x
    x = 163,246,561,877.84/452,338.56
  6. Step 6: Final answer
    x = 360,894.64

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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.