Home / 353,366.75-487,538.19-200,397.04

Finding the Fourth Proportional to 353,366.75, 487,538.19 and 200,397.04

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Solution

The fourth proportional to 353,366.75, 487,538.19 and 200,397.04 is: 276,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,366.75 : 487,538.19 = 200,397.04 : x
  2. Step 2: Convert to fraction form
    353,366.75/487,538.19 = 200,397.04/x
  3. Step 3: Cross multiply
    353,366.75x = 487,538.19 × 200,397.04
  4. Step 4: Simplify right side
    353,366.75x = 97,701,208,944.11
  5. Step 5: Solve for x
    x = 97,701,208,944.11/353,366.75
  6. Step 6: Final answer
    x = 276,486.70

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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.