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Finding the Fourth Proportional to 483,607.40, 724,892.70 and 183,972.20

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Solution

The fourth proportional to 483,607.40, 724,892.70 and 183,972.20 is: 275,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,607.40 : 724,892.70 = 183,972.20 : x
  2. Step 2: Convert to fraction form
    483,607.40/724,892.70 = 183,972.20/x
  3. Step 3: Cross multiply
    483,607.40x = 724,892.70 × 183,972.20
  4. Step 4: Simplify right side
    483,607.40x = 133,360,104,782.94
  5. Step 5: Solve for x
    x = 133,360,104,782.94/483,607.40
  6. Step 6: Final answer
    x = 275,761.09

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1.5x scale

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.