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Finding the Fourth Proportional to 468,293, 646,246.36 and 253,433.08

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Solution

The fourth proportional to 468,293, 646,246.36 and 253,433.08 is: 349,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,293 : 646,246.36 = 253,433.08 : x
  2. Step 2: Convert to fraction form
    468,293/646,246.36 = 253,433.08/x
  3. Step 3: Cross multiply
    468,293x = 646,246.36 × 253,433.08
  4. Step 4: Simplify right side
    468,293x = 163,780,205,453.59
  5. Step 5: Solve for x
    x = 163,780,205,453.59/468,293
  6. Step 6: Final answer
    x = 349,738.74

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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.