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Finding the Fourth Proportional to 634,181.16, 875,046.72 and 376,010.40

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Solution

The fourth proportional to 634,181.16, 875,046.72 and 376,010.40 is: 518,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,181.16 : 875,046.72 = 376,010.40 : x
  2. Step 2: Convert to fraction form
    634,181.16/875,046.72 = 376,010.40/x
  3. Step 3: Cross multiply
    634,181.16x = 875,046.72 × 376,010.40
  4. Step 4: Simplify right side
    634,181.16x = 329,026,667,205.89
  5. Step 5: Solve for x
    x = 329,026,667,205.89/634,181.16
  6. Step 6: Final answer
    x = 518,821.26

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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.