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Finding the Fourth Proportional to 468,293.38, 646,244.85 and 253,433.45

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Solution

The fourth proportional to 468,293.38, 646,244.85 and 253,433.45 is: 349,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,293.38 : 646,244.85 = 253,433.45 : x
  2. Step 2: Convert to fraction form
    468,293.38/646,244.85 = 253,433.45/x
  3. Step 3: Cross multiply
    468,293.38x = 646,244.85 × 253,433.45
  4. Step 4: Simplify right side
    468,293.38x = 163,780,059,599.38
  5. Step 5: Solve for x
    x = 163,780,059,599.38/468,293.38
  6. Step 6: Final answer
    x = 349,738.15

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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.