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Finding the Fourth Proportional to 462,490.61, 693,642.96 and 162,983.39

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Solution

The fourth proportional to 462,490.61, 693,642.96 and 162,983.39 is: 244,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,490.61 : 693,642.96 = 162,983.39 : x
  2. Step 2: Convert to fraction form
    462,490.61/693,642.96 = 162,983.39/x
  3. Step 3: Cross multiply
    462,490.61x = 693,642.96 × 162,983.39
  4. Step 4: Simplify right side
    462,490.61x = 113,052,277,602.22
  5. Step 5: Solve for x
    x = 113,052,277,602.22/462,490.61
  6. Step 6: Final answer
    x = 244,442.32

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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.