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Finding the Fourth Proportional to 545,565.39, 752,903.47 and 303,847.93

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Solution

The fourth proportional to 545,565.39, 752,903.47 and 303,847.93 is: 419,323.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,565.39 : 752,903.47 = 303,847.93 : x
  2. Step 2: Convert to fraction form
    545,565.39/752,903.47 = 303,847.93/x
  3. Step 3: Cross multiply
    545,565.39x = 752,903.47 × 303,847.93
  4. Step 4: Simplify right side
    545,565.39x = 228,768,160,849.32
  5. Step 5: Solve for x
    x = 228,768,160,849.32/545,565.39
  6. Step 6: Final answer
    x = 419,323.08

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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.