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Finding the Fourth Proportional to 599,276.80, 898,644.48 and 318,734.08

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Solution

The fourth proportional to 599,276.80, 898,644.48 and 318,734.08 is: 477,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,276.80 : 898,644.48 = 318,734.08 : x
  2. Step 2: Convert to fraction form
    599,276.80/898,644.48 = 318,734.08/x
  3. Step 3: Cross multiply
    599,276.80x = 898,644.48 × 318,734.08
  4. Step 4: Simplify right side
    599,276.80x = 286,428,621,579.88
  5. Step 5: Solve for x
    x = 286,428,621,579.88/599,276.80
  6. Step 6: Final answer
    x = 477,957.13

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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.