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Finding the Fourth Proportional to 404,443.60, 607,126.20 and 238,325.20

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Solution

The fourth proportional to 404,443.60, 607,126.20 and 238,325.20 is: 357,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,443.60 : 607,126.20 = 238,325.20 : x
  2. Step 2: Convert to fraction form
    404,443.60/607,126.20 = 238,325.20/x
  3. Step 3: Cross multiply
    404,443.60x = 607,126.20 × 238,325.20
  4. Step 4: Simplify right side
    404,443.60x = 144,693,473,040.24
  5. Step 5: Solve for x
    x = 144,693,473,040.24/404,443.60
  6. Step 6: Final answer
    x = 357,759.33

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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.