Home / 348,452.16-480,884.96-205,307.60

Finding the Fourth Proportional to 348,452.16, 480,884.96 and 205,307.60

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Solution

The fourth proportional to 348,452.16, 480,884.96 and 205,307.60 is: 283,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,452.16 : 480,884.96 = 205,307.60 : x
  2. Step 2: Convert to fraction form
    348,452.16/480,884.96 = 205,307.60/x
  3. Step 3: Cross multiply
    348,452.16x = 480,884.96 × 205,307.60
  4. Step 4: Simplify right side
    348,452.16x = 98,729,337,013.70
  5. Step 5: Solve for x
    x = 98,729,337,013.70/348,452.16
  6. Step 6: Final answer
    x = 283,336.85

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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.