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Finding the Fourth Proportional to 492,051.15, 738,368.33 and 324,053.10

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Solution

The fourth proportional to 492,051.15, 738,368.33 and 324,053.10 is: 486,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,051.15 : 738,368.33 = 324,053.10 : x
  2. Step 2: Convert to fraction form
    492,051.15/738,368.33 = 324,053.10/x
  3. Step 3: Cross multiply
    492,051.15x = 738,368.33 × 324,053.10
  4. Step 4: Simplify right side
    492,051.15x = 239,270,544,658.06
  5. Step 5: Solve for x
    x = 239,270,544,658.06/492,051.15
  6. Step 6: Final answer
    x = 486,271.69

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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.