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Finding the Fourth Proportional to 585,807.60, 879,748.20 and 453,010.80

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Solution

The fourth proportional to 585,807.60, 879,748.20 and 453,010.80 is: 680,317.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,807.60 : 879,748.20 = 453,010.80 : x
  2. Step 2: Convert to fraction form
    585,807.60/879,748.20 = 453,010.80/x
  3. Step 3: Cross multiply
    585,807.60x = 879,748.20 × 453,010.80
  4. Step 4: Simplify right side
    585,807.60x = 398,535,435,880.56
  5. Step 5: Solve for x
    x = 398,535,435,880.56/585,807.60
  6. Step 6: Final answer
    x = 680,317.97

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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.