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Finding the Fourth Proportional to 404,950.32, 607,435.20 and 124,470

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Solution

The fourth proportional to 404,950.32, 607,435.20 and 124,470 is: 186,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,950.32 : 607,435.20 = 124,470 : x
  2. Step 2: Convert to fraction form
    404,950.32/607,435.20 = 124,470/x
  3. Step 3: Cross multiply
    404,950.32x = 607,435.20 × 124,470
  4. Step 4: Simplify right side
    404,950.32x = 75,607,459,344
  5. Step 5: Solve for x
    x = 75,607,459,344/404,950.32
  6. Step 6: Final answer
    x = 186,707.99

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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.