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Finding the Fourth Proportional to 352,368.77, 486,272.47 and 191,225.21

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Solution

The fourth proportional to 352,368.77, 486,272.47 and 191,225.21 is: 263,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,368.77 : 486,272.47 = 191,225.21 : x
  2. Step 2: Convert to fraction form
    352,368.77/486,272.47 = 191,225.21/x
  3. Step 3: Cross multiply
    352,368.77x = 486,272.47 × 191,225.21
  4. Step 4: Simplify right side
    352,368.77x = 92,987,556,886.71
  5. Step 5: Solve for x
    x = 92,987,556,886.71/352,368.77
  6. Step 6: Final answer
    x = 263,892.73

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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.