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Finding the Fourth Proportional to 364,565.80, 503,040.36 and 243,512.92

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Solution

The fourth proportional to 364,565.80, 503,040.36 and 243,512.92 is: 336,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,565.80 : 503,040.36 = 243,512.92 : x
  2. Step 2: Convert to fraction form
    364,565.80/503,040.36 = 243,512.92/x
  3. Step 3: Cross multiply
    364,565.80x = 503,040.36 × 243,512.92
  4. Step 4: Simplify right side
    364,565.80x = 122,496,826,941.45
  5. Step 5: Solve for x
    x = 122,496,826,941.45/364,565.80
  6. Step 6: Final answer
    x = 336,007.46

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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.