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Finding the Fourth Proportional to 507,418.10, 760,317.52 and 371,853.92

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Solution

The fourth proportional to 507,418.10, 760,317.52 and 371,853.92 is: 557,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,418.10 : 760,317.52 = 371,853.92 : x
  2. Step 2: Convert to fraction form
    507,418.10/760,317.52 = 371,853.92/x
  3. Step 3: Cross multiply
    507,418.10x = 760,317.52 × 371,853.92
  4. Step 4: Simplify right side
    507,418.10x = 282,727,050,256.68
  5. Step 5: Solve for x
    x = 282,727,050,256.68/507,418.10
  6. Step 6: Final answer
    x = 557,187.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.