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Finding the Fourth Proportional to 545,851.80, 817,611.30 and 452,539.80

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Solution

The fourth proportional to 545,851.80, 817,611.30 and 452,539.80 is: 677,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,851.80 : 817,611.30 = 452,539.80 : x
  2. Step 2: Convert to fraction form
    545,851.80/817,611.30 = 452,539.80/x
  3. Step 3: Cross multiply
    545,851.80x = 817,611.30 × 452,539.80
  4. Step 4: Simplify right side
    545,851.80x = 370,001,654,179.74
  5. Step 5: Solve for x
    x = 370,001,654,179.74/545,851.80
  6. Step 6: Final answer
    x = 677,842.69

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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.