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Finding the Fourth Proportional to 722,212.56, 996,535.98 and 416,301.48

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Solution

The fourth proportional to 722,212.56, 996,535.98 and 416,301.48 is: 574,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,212.56 : 996,535.98 = 416,301.48 : x
  2. Step 2: Convert to fraction form
    722,212.56/996,535.98 = 416,301.48/x
  3. Step 3: Cross multiply
    722,212.56x = 996,535.98 × 416,301.48
  4. Step 4: Simplify right side
    722,212.56x = 414,859,403,347.25
  5. Step 5: Solve for x
    x = 414,859,403,347.25/722,212.56
  6. Step 6: Final answer
    x = 574,428.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.