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Finding the Fourth Proportional to 468,196.08, 646,105.74 and 253,331.40

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Solution

The fourth proportional to 468,196.08, 646,105.74 and 253,331.40 is: 349,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,196.08 : 646,105.74 = 253,331.40 : x
  2. Step 2: Convert to fraction form
    468,196.08/646,105.74 = 253,331.40/x
  3. Step 3: Cross multiply
    468,196.08x = 646,105.74 × 253,331.40
  4. Step 4: Simplify right side
    468,196.08x = 163,678,871,662.24
  5. Step 5: Solve for x
    x = 163,678,871,662.24/468,196.08
  6. Step 6: Final answer
    x = 349,594.71

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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.