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Finding the Fourth Proportional to 545,876.80, 817,648.80 and 452,564.80

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Solution

The fourth proportional to 545,876.80, 817,648.80 and 452,564.80 is: 677,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,876.80 : 817,648.80 = 452,564.80 : x
  2. Step 2: Convert to fraction form
    545,876.80/817,648.80 = 452,564.80/x
  3. Step 3: Cross multiply
    545,876.80x = 817,648.80 × 452,564.80
  4. Step 4: Simplify right side
    545,876.80x = 370,039,065,642.24
  5. Step 5: Solve for x
    x = 370,039,065,642.24/545,876.80
  6. Step 6: Final answer
    x = 677,880.18

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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.