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Finding the Fourth Proportional to 427,603.68, 590,155.36 and 246,280.32

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Solution

The fourth proportional to 427,603.68, 590,155.36 and 246,280.32 is: 339,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,603.68 : 590,155.36 = 246,280.32 : x
  2. Step 2: Convert to fraction form
    427,603.68/590,155.36 = 246,280.32/x
  3. Step 3: Cross multiply
    427,603.68x = 590,155.36 × 246,280.32
  4. Step 4: Simplify right side
    427,603.68x = 145,343,650,910.52
  5. Step 5: Solve for x
    x = 145,343,650,910.52/427,603.68
  6. Step 6: Final answer
    x = 339,902.71

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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.