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Finding the Fourth Proportional to 492,189.12, 738,152.64 and 176,598.72

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Solution

The fourth proportional to 492,189.12, 738,152.64 and 176,598.72 is: 264,851.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,189.12 : 738,152.64 = 176,598.72 : x
  2. Step 2: Convert to fraction form
    492,189.12/738,152.64 = 176,598.72/x
  3. Step 3: Cross multiply
    492,189.12x = 738,152.64 × 176,598.72
  4. Step 4: Simplify right side
    492,189.12x = 130,356,811,388.62
  5. Step 5: Solve for x
    x = 130,356,811,388.62/492,189.12
  6. Step 6: Final answer
    x = 264,851.06

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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.