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Finding the Fourth Proportional to 322,703.48, 483,389.40 and 189,178.22

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Solution

The fourth proportional to 322,703.48, 483,389.40 and 189,178.22 is: 283,377.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,703.48 : 483,389.40 = 189,178.22 : x
  2. Step 2: Convert to fraction form
    322,703.48/483,389.40 = 189,178.22/x
  3. Step 3: Cross multiply
    322,703.48x = 483,389.40 × 189,178.22
  4. Step 4: Simplify right side
    322,703.48x = 91,446,746,258.87
  5. Step 5: Solve for x
    x = 91,446,746,258.87/322,703.48
  6. Step 6: Final answer
    x = 283,377.01

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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.