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Finding the Fourth Proportional to 364,555.74, 503,026.56 and 243,502.86

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Solution

The fourth proportional to 364,555.74, 503,026.56 and 243,502.86 is: 335,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,555.74 : 503,026.56 = 243,502.86 : x
  2. Step 2: Convert to fraction form
    364,555.74/503,026.56 = 243,502.86/x
  3. Step 3: Cross multiply
    364,555.74x = 503,026.56 × 243,502.86
  4. Step 4: Simplify right side
    364,555.74x = 122,488,406,015.96
  5. Step 5: Solve for x
    x = 122,488,406,015.96/364,555.74
  6. Step 6: Final answer
    x = 335,993.63

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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.