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Finding the Fourth Proportional to 650,918.54, 898,304.60 and 364,436.12

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Solution

The fourth proportional to 650,918.54, 898,304.60 and 364,436.12 is: 502,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,918.54 : 898,304.60 = 364,436.12 : x
  2. Step 2: Convert to fraction form
    650,918.54/898,304.60 = 364,436.12/x
  3. Step 3: Cross multiply
    650,918.54x = 898,304.60 × 364,436.12
  4. Step 4: Simplify right side
    650,918.54x = 327,374,643,002.15
  5. Step 5: Solve for x
    x = 327,374,643,002.15/650,918.54
  6. Step 6: Final answer
    x = 502,942.57

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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.