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Finding the Fourth Proportional to 474,579.36, 654,910.76 and 259,715.10

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Solution

The fourth proportional to 474,579.36, 654,910.76 and 259,715.10 is: 358,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,579.36 : 654,910.76 = 259,715.10 : x
  2. Step 2: Convert to fraction form
    474,579.36/654,910.76 = 259,715.10/x
  3. Step 3: Cross multiply
    474,579.36x = 654,910.76 × 259,715.10
  4. Step 4: Simplify right side
    474,579.36x = 170,090,213,524.48
  5. Step 5: Solve for x
    x = 170,090,213,524.48/474,579.36
  6. Step 6: Final answer
    x = 358,402.05

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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.