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Finding the Fourth Proportional to 618,500.10, 927,457.74 and 239,598.30

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Solution

The fourth proportional to 618,500.10, 927,457.74 and 239,598.30 is: 359,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,500.10 : 927,457.74 = 239,598.30 : x
  2. Step 2: Convert to fraction form
    618,500.10/927,457.74 = 239,598.30/x
  3. Step 3: Cross multiply
    618,500.10x = 927,457.74 × 239,598.30
  4. Step 4: Simplify right side
    618,500.10x = 222,217,297,825.84
  5. Step 5: Solve for x
    x = 222,217,297,825.84/618,500.10
  6. Step 6: Final answer
    x = 359,284.17

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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.