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Finding the Fourth Proportional to 404,511.40, 605,600.70 and 247,047.40

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Solution

The fourth proportional to 404,511.40, 605,600.70 and 247,047.40 is: 369,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,511.40 : 605,600.70 = 247,047.40 : x
  2. Step 2: Convert to fraction form
    404,511.40/605,600.70 = 247,047.40/x
  3. Step 3: Cross multiply
    404,511.40x = 605,600.70 × 247,047.40
  4. Step 4: Simplify right side
    404,511.40x = 149,612,078,373.18
  5. Step 5: Solve for x
    x = 149,612,078,373.18/404,511.40
  6. Step 6: Final answer
    x = 369,858.74

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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.