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Finding the Fourth Proportional to 448,064.38, 617,913.54 and 327,013.94

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Solution

The fourth proportional to 448,064.38, 617,913.54 and 327,013.94 is: 450,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,064.38 : 617,913.54 = 327,013.94 : x
  2. Step 2: Convert to fraction form
    448,064.38/617,913.54 = 327,013.94/x
  3. Step 3: Cross multiply
    448,064.38x = 617,913.54 × 327,013.94
  4. Step 4: Simplify right side
    448,064.38x = 202,066,341,294.75
  5. Step 5: Solve for x
    x = 202,066,341,294.75/448,064.38
  6. Step 6: Final answer
    x = 450,976.13

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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.