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Finding the Fourth Proportional to 452,357.58, 678,392.56 and 148,681.70

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Solution

The fourth proportional to 452,357.58, 678,392.56 and 148,681.70 is: 222,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,357.58 : 678,392.56 = 148,681.70 : x
  2. Step 2: Convert to fraction form
    452,357.58/678,392.56 = 148,681.70/x
  3. Step 3: Cross multiply
    452,357.58x = 678,392.56 × 148,681.70
  4. Step 4: Simplify right side
    452,357.58x = 100,864,555,696.19
  5. Step 5: Solve for x
    x = 100,864,555,696.19/452,357.58
  6. Step 6: Final answer
    x = 222,975.27

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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.