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Finding the Fourth Proportional to 922,250.74, 1,383,390.19 and 416,459.15

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Solution

The fourth proportional to 922,250.74, 1,383,390.19 and 416,459.15 is: 624,695.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,250.74 : 1,383,390.19 = 416,459.15 : x
  2. Step 2: Convert to fraction form
    922,250.74/1,383,390.19 = 416,459.15/x
  3. Step 3: Cross multiply
    922,250.74x = 1,383,390.19 × 416,459.15
  4. Step 4: Simplify right side
    922,250.74x = 576,125,497,546.29
  5. Step 5: Solve for x
    x = 576,125,497,546.29/922,250.74
  6. Step 6: Final answer
    x = 624,695.08

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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.