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Finding the Fourth Proportional to 423,906.17, 585,001.06 and 230,313.94

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Solution

The fourth proportional to 423,906.17, 585,001.06 and 230,313.94 is: 317,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,906.17 : 585,001.06 = 230,313.94 : x
  2. Step 2: Convert to fraction form
    423,906.17/585,001.06 = 230,313.94/x
  3. Step 3: Cross multiply
    423,906.17x = 585,001.06 × 230,313.94
  4. Step 4: Simplify right side
    423,906.17x = 134,733,899,032.78
  5. Step 5: Solve for x
    x = 134,733,899,032.78/423,906.17
  6. Step 6: Final answer
    x = 317,838.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.