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Finding the Fourth Proportional to 364,612.29, 503,132.13 and 228,602.76

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Solution

The fourth proportional to 364,612.29, 503,132.13 and 228,602.76 is: 315,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,612.29 : 503,132.13 = 228,602.76 : x
  2. Step 2: Convert to fraction form
    364,612.29/503,132.13 = 228,602.76/x
  3. Step 3: Cross multiply
    364,612.29x = 503,132.13 × 228,602.76
  4. Step 4: Simplify right side
    364,612.29x = 115,017,393,562.68
  5. Step 5: Solve for x
    x = 115,017,393,562.68/364,612.29
  6. Step 6: Final answer
    x = 315,451.23

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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.