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Finding the Fourth Proportional to 353,366.36, 487,658.58 and 202,492.52

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Solution

The fourth proportional to 353,366.36, 487,658.58 and 202,492.52 is: 279,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,366.36 : 487,658.58 = 202,492.52 : x
  2. Step 2: Convert to fraction form
    353,366.36/487,658.58 = 202,492.52/x
  3. Step 3: Cross multiply
    353,366.36x = 487,658.58 × 202,492.52
  4. Step 4: Simplify right side
    353,366.36x = 98,747,214,763.82
  5. Step 5: Solve for x
    x = 98,747,214,763.82/353,366.36
  6. Step 6: Final answer
    x = 279,447.13

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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.