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Finding the Fourth Proportional to 397,034.07, 547,862.53 and 224,915.16

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Solution

The fourth proportional to 397,034.07, 547,862.53 and 224,915.16 is: 310,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,034.07 : 547,862.53 = 224,915.16 : x
  2. Step 2: Convert to fraction form
    397,034.07/547,862.53 = 224,915.16/x
  3. Step 3: Cross multiply
    397,034.07x = 547,862.53 × 224,915.16
  4. Step 4: Simplify right side
    397,034.07x = 123,222,587,785.59
  5. Step 5: Solve for x
    x = 123,222,587,785.59/397,034.07
  6. Step 6: Final answer
    x = 310,357.72

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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.