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Finding the Fourth Proportional to 476,051.84, 656,909.32 and 272,062.24

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Solution

The fourth proportional to 476,051.84, 656,909.32 and 272,062.24 is: 375,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,051.84 : 656,909.32 = 272,062.24 : x
  2. Step 2: Convert to fraction form
    476,051.84/656,909.32 = 272,062.24/x
  3. Step 3: Cross multiply
    476,051.84x = 656,909.32 × 272,062.24
  4. Step 4: Simplify right side
    476,051.84x = 178,720,221,076.08
  5. Step 5: Solve for x
    x = 178,720,221,076.08/476,051.84
  6. Step 6: Final answer
    x = 375,421.76

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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.