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Finding the Fourth Proportional to 494,094.80, 741,487.80 and 317,032.40

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Solution

The fourth proportional to 494,094.80, 741,487.80 and 317,032.40 is: 475,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,094.80 : 741,487.80 = 317,032.40 : x
  2. Step 2: Convert to fraction form
    494,094.80/741,487.80 = 317,032.40/x
  3. Step 3: Cross multiply
    494,094.80x = 741,487.80 × 317,032.40
  4. Step 4: Simplify right side
    494,094.80x = 235,075,656,804.72
  5. Step 5: Solve for x
    x = 235,075,656,804.72/494,094.80
  6. Step 6: Final answer
    x = 475,770.35

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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.