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Finding the Fourth Proportional to 540,851.04, 811,296.81 and 161,776.71

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Solution

The fourth proportional to 540,851.04, 811,296.81 and 161,776.71 is: 242,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,851.04 : 811,296.81 = 161,776.71 : x
  2. Step 2: Convert to fraction form
    540,851.04/811,296.81 = 161,776.71/x
  3. Step 3: Cross multiply
    540,851.04x = 811,296.81 × 161,776.71
  4. Step 4: Simplify right side
    540,851.04x = 131,248,928,755.30
  5. Step 5: Solve for x
    x = 131,248,928,755.30/540,851.04
  6. Step 6: Final answer
    x = 242,671.12

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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.