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Finding the Fourth Proportional to 464,273.10, 640,461.08 and 303,222.42

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Solution

The fourth proportional to 464,273.10, 640,461.08 and 303,222.42 is: 418,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,273.10 : 640,461.08 = 303,222.42 : x
  2. Step 2: Convert to fraction form
    464,273.10/640,461.08 = 303,222.42/x
  3. Step 3: Cross multiply
    464,273.10x = 640,461.08 × 303,222.42
  4. Step 4: Simplify right side
    464,273.10x = 194,202,158,593.41
  5. Step 5: Solve for x
    x = 194,202,158,593.41/464,273.10
  6. Step 6: Final answer
    x = 418,292.94

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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.