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Finding the Fourth Proportional to 722,232.01, 996,678.56 and 416,306.36

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Solution

The fourth proportional to 722,232.01, 996,678.56 and 416,306.36 is: 574,501.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,232.01 : 996,678.56 = 416,306.36 : x
  2. Step 2: Convert to fraction form
    722,232.01/996,678.56 = 416,306.36/x
  3. Step 3: Cross multiply
    722,232.01x = 996,678.56 × 416,306.36
  4. Step 4: Simplify right side
    722,232.01x = 414,923,621,322.11
  5. Step 5: Solve for x
    x = 414,923,621,322.11/722,232.01
  6. Step 6: Final answer
    x = 574,501.85

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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.