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Finding the Fourth Proportional to 476,572.89, 657,672.80 and 272,626.05

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Solution

The fourth proportional to 476,572.89, 657,672.80 and 272,626.05 is: 376,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,572.89 : 657,672.80 = 272,626.05 : x
  2. Step 2: Convert to fraction form
    476,572.89/657,672.80 = 272,626.05/x
  3. Step 3: Cross multiply
    476,572.89x = 657,672.80 × 272,626.05
  4. Step 4: Simplify right side
    476,572.89x = 179,298,736,293.31
  5. Step 5: Solve for x
    x = 179,298,736,293.31/476,572.89
  6. Step 6: Final answer
    x = 376,225.21

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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.