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Finding the Fourth Proportional to 573,099.20, 857,607.60 and 499,032.80

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Solution

The fourth proportional to 573,099.20, 857,607.60 and 499,032.80 is: 746,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,099.20 : 857,607.60 = 499,032.80 : x
  2. Step 2: Convert to fraction form
    573,099.20/857,607.60 = 499,032.80/x
  3. Step 3: Cross multiply
    573,099.20x = 857,607.60 × 499,032.80
  4. Step 4: Simplify right side
    573,099.20x = 427,974,321,929.28
  5. Step 5: Solve for x
    x = 427,974,321,929.28/573,099.20
  6. Step 6: Final answer
    x = 746,771.80

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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.