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Finding the Fourth Proportional to 584,803.20, 877,204.80 and 542,812.80

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Solution

The fourth proportional to 584,803.20, 877,204.80 and 542,812.80 is: 814,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,803.20 : 877,204.80 = 542,812.80 : x
  2. Step 2: Convert to fraction form
    584,803.20/877,204.80 = 542,812.80/x
  3. Step 3: Cross multiply
    584,803.20x = 877,204.80 × 542,812.80
  4. Step 4: Simplify right side
    584,803.20x = 476,157,993,661.44
  5. Step 5: Solve for x
    x = 476,157,993,661.44/584,803.20
  6. Step 6: Final answer
    x = 814,219.20

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Similar ratio
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1.5x scale

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.