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Finding the Fourth Proportional to 416,654.33, 621,339.61 and 370,727.33

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Solution

The fourth proportional to 416,654.33, 621,339.61 and 370,727.33 is: 552,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,654.33 : 621,339.61 = 370,727.33 : x
  2. Step 2: Convert to fraction form
    416,654.33/621,339.61 = 370,727.33/x
  3. Step 3: Cross multiply
    416,654.33x = 621,339.61 × 370,727.33
  4. Step 4: Simplify right side
    416,654.33x = 230,347,574,795.17
  5. Step 5: Solve for x
    x = 230,347,574,795.17/416,654.33
  6. Step 6: Final answer
    x = 552,850.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.