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Finding the Fourth Proportional to 476,718.60, 657,930.24 and 275,514.60

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Solution

The fourth proportional to 476,718.60, 657,930.24 and 275,514.60 is: 380,244.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,718.60 : 657,930.24 = 275,514.60 : x
  2. Step 2: Convert to fraction form
    476,718.60/657,930.24 = 275,514.60/x
  3. Step 3: Cross multiply
    476,718.60x = 657,930.24 × 275,514.60
  4. Step 4: Simplify right side
    476,718.60x = 181,269,386,901.50
  5. Step 5: Solve for x
    x = 181,269,386,901.50/476,718.60
  6. Step 6: Final answer
    x = 380,244.00

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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.