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Finding the Fourth Proportional to 545,877.80, 817,650.30 and 452,565.80

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Solution

The fourth proportional to 545,877.80, 817,650.30 and 452,565.80 is: 677,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,877.80 : 817,650.30 = 452,565.80 : x
  2. Step 2: Convert to fraction form
    545,877.80/817,650.30 = 452,565.80/x
  3. Step 3: Cross multiply
    545,877.80x = 817,650.30 × 452,565.80
  4. Step 4: Simplify right side
    545,877.80x = 370,040,562,139.74
  5. Step 5: Solve for x
    x = 370,040,562,139.74/545,877.80
  6. Step 6: Final answer
    x = 677,881.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.