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Finding the Fourth Proportional to 364,516.76, 502,705.70 and 228,565.54

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Solution

The fourth proportional to 364,516.76, 502,705.70 and 228,565.54 is: 315,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,516.76 : 502,705.70 = 228,565.54 : x
  2. Step 2: Convert to fraction form
    364,516.76/502,705.70 = 228,565.54/x
  3. Step 3: Cross multiply
    364,516.76x = 502,705.70 × 228,565.54
  4. Step 4: Simplify right side
    364,516.76x = 114,901,199,781.58
  5. Step 5: Solve for x
    x = 114,901,199,781.58/364,516.76
  6. Step 6: Final answer
    x = 315,215.14

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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.