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Finding the Fourth Proportional to 476,785.98, 657,851.22 and 270,056.16

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Solution

The fourth proportional to 476,785.98, 657,851.22 and 270,056.16 is: 372,613.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,785.98 : 657,851.22 = 270,056.16 : x
  2. Step 2: Convert to fraction form
    476,785.98/657,851.22 = 270,056.16/x
  3. Step 3: Cross multiply
    476,785.98x = 657,851.22 × 270,056.16
  4. Step 4: Simplify right side
    476,785.98x = 177,656,774,324.52
  5. Step 5: Solve for x
    x = 177,656,774,324.52/476,785.98
  6. Step 6: Final answer
    x = 372,613.25

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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.