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Finding the Fourth Proportional to 496,187.40, 744,281.10 and 492,040.20

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Solution

The fourth proportional to 496,187.40, 744,281.10 and 492,040.20 is: 738,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,187.40 : 744,281.10 = 492,040.20 : x
  2. Step 2: Convert to fraction form
    496,187.40/744,281.10 = 492,040.20/x
  3. Step 3: Cross multiply
    496,187.40x = 744,281.10 × 492,040.20
  4. Step 4: Simplify right side
    496,187.40x = 366,216,221,300.22
  5. Step 5: Solve for x
    x = 366,216,221,300.22/496,187.40
  6. Step 6: Final answer
    x = 738,060.30

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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.