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Finding the Fourth Proportional to 648,410.70, 973,709.55 and 541,685.10

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Solution

The fourth proportional to 648,410.70, 973,709.55 and 541,685.10 is: 813,441.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,410.70 : 973,709.55 = 541,685.10 : x
  2. Step 2: Convert to fraction form
    648,410.70/973,709.55 = 541,685.10/x
  3. Step 3: Cross multiply
    648,410.70x = 973,709.55 × 541,685.10
  4. Step 4: Simplify right side
    648,410.70x = 527,443,954,962.71
  5. Step 5: Solve for x
    x = 527,443,954,962.71/648,410.70
  6. Step 6: Final answer
    x = 813,441.16

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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.