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Finding the Fourth Proportional to 545,860.80, 817,624.80 and 452,548.80

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Solution

The fourth proportional to 545,860.80, 817,624.80 and 452,548.80 is: 677,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,860.80 : 817,624.80 = 452,548.80 : x
  2. Step 2: Convert to fraction form
    545,860.80/817,624.80 = 452,548.80/x
  3. Step 3: Cross multiply
    545,860.80x = 817,624.80 × 452,548.80
  4. Step 4: Simplify right side
    545,860.80x = 370,015,122,090.24
  5. Step 5: Solve for x
    x = 370,015,122,090.24/545,860.80
  6. Step 6: Final answer
    x = 677,856.19

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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.