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Finding the Fourth Proportional to 540,356.10, 810,994.95 and 241,296.90

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Solution

The fourth proportional to 540,356.10, 810,994.95 and 241,296.90 is: 362,151.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,356.10 : 810,994.95 = 241,296.90 : x
  2. Step 2: Convert to fraction form
    540,356.10/810,994.95 = 241,296.90/x
  3. Step 3: Cross multiply
    540,356.10x = 810,994.95 × 241,296.90
  4. Step 4: Simplify right side
    540,356.10x = 195,690,567,350.66
  5. Step 5: Solve for x
    x = 195,690,567,350.66/540,356.10
  6. Step 6: Final answer
    x = 362,151.12

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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.