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Finding the Fourth Proportional to 464,250.84, 640,945.76 and 303,375.12

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Solution

The fourth proportional to 464,250.84, 640,945.76 and 303,375.12 is: 418,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,250.84 : 640,945.76 = 303,375.12 : x
  2. Step 2: Convert to fraction form
    464,250.84/640,945.76 = 303,375.12/x
  3. Step 3: Cross multiply
    464,250.84x = 640,945.76 × 303,375.12
  4. Step 4: Simplify right side
    464,250.84x = 194,446,996,853.49
  5. Step 5: Solve for x
    x = 194,446,996,853.49/464,250.84
  6. Step 6: Final answer
    x = 418,840.38

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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.