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Finding the Fourth Proportional to 573,145.60, 859,718.40 and 548,876.80

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Solution

The fourth proportional to 573,145.60, 859,718.40 and 548,876.80 is: 823,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,145.60 : 859,718.40 = 548,876.80 : x
  2. Step 2: Convert to fraction form
    573,145.60/859,718.40 = 548,876.80/x
  3. Step 3: Cross multiply
    573,145.60x = 859,718.40 × 548,876.80
  4. Step 4: Simplify right side
    573,145.60x = 471,879,484,293.12
  5. Step 5: Solve for x
    x = 471,879,484,293.12/573,145.60
  6. Step 6: Final answer
    x = 823,315.20

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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.