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Finding the Fourth Proportional to 632,979, 949,701.78 and 333,447.48

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Solution

The fourth proportional to 632,979, 949,701.78 and 333,447.48 is: 500,294.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,979 : 949,701.78 = 333,447.48 : x
  2. Step 2: Convert to fraction form
    632,979/949,701.78 = 333,447.48/x
  3. Step 3: Cross multiply
    632,979x = 949,701.78 × 333,447.48
  4. Step 4: Simplify right side
    632,979x = 316,675,665,292.51
  5. Step 5: Solve for x
    x = 316,675,665,292.51/632,979
  6. Step 6: Final answer
    x = 500,294.11

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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.