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Finding the Fourth Proportional to 452,494.47, 677,708.35 and 216,003.23

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Solution

The fourth proportional to 452,494.47, 677,708.35 and 216,003.23 is: 323,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,494.47 : 677,708.35 = 216,003.23 : x
  2. Step 2: Convert to fraction form
    452,494.47/677,708.35 = 216,003.23/x
  3. Step 3: Cross multiply
    452,494.47x = 677,708.35 × 216,003.23
  4. Step 4: Simplify right side
    452,494.47x = 146,387,192,597.97
  5. Step 5: Solve for x
    x = 146,387,192,597.97/452,494.47
  6. Step 6: Final answer
    x = 323,511.56

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1.5x scale

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.