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Finding the Fourth Proportional to 648,893.88, 973,340.80 and 244,162.18

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Solution

The fourth proportional to 648,893.88, 973,340.80 and 244,162.18 is: 366,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,893.88 : 973,340.80 = 244,162.18 : x
  2. Step 2: Convert to fraction form
    648,893.88/973,340.80 = 244,162.18/x
  3. Step 3: Cross multiply
    648,893.88x = 973,340.80 × 244,162.18
  4. Step 4: Simplify right side
    648,893.88x = 237,653,011,610.94
  5. Step 5: Solve for x
    x = 237,653,011,610.94/648,893.88
  6. Step 6: Final answer
    x = 366,243.26

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Half scale
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Double scale
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Similar ratio
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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.