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Finding the Fourth Proportional to 492,084.80, 738,127.20 and 176,573.60

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Solution

The fourth proportional to 492,084.80, 738,127.20 and 176,573.60 is: 264,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,084.80 : 738,127.20 = 176,573.60 : x
  2. Step 2: Convert to fraction form
    492,084.80/738,127.20 = 176,573.60/x
  3. Step 3: Cross multiply
    492,084.80x = 738,127.20 × 176,573.60
  4. Step 4: Simplify right side
    492,084.80x = 130,333,776,961.92
  5. Step 5: Solve for x
    x = 130,333,776,961.92/492,084.80
  6. Step 6: Final answer
    x = 264,860.40

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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.