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Finding the Fourth Proportional to 605,083.10, 907,624.65 and 576,052.70

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Solution

The fourth proportional to 605,083.10, 907,624.65 and 576,052.70 is: 864,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,083.10 : 907,624.65 = 576,052.70 : x
  2. Step 2: Convert to fraction form
    605,083.10/907,624.65 = 576,052.70/x
  3. Step 3: Cross multiply
    605,083.10x = 907,624.65 × 576,052.70
  4. Step 4: Simplify right side
    605,083.10x = 522,839,630,219.06
  5. Step 5: Solve for x
    x = 522,839,630,219.06/605,083.10
  6. Step 6: Final answer
    x = 864,079.05

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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.