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Finding the Fourth Proportional to 655,535.04, 904,569.12 and 369,049.92

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Solution

The fourth proportional to 655,535.04, 904,569.12 and 369,049.92 is: 509,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,535.04 : 904,569.12 = 369,049.92 : x
  2. Step 2: Convert to fraction form
    655,535.04/904,569.12 = 369,049.92/x
  3. Step 3: Cross multiply
    655,535.04x = 904,569.12 × 369,049.92
  4. Step 4: Simplify right side
    655,535.04x = 333,831,161,370.47
  5. Step 5: Solve for x
    x = 333,831,161,370.47/655,535.04
  6. Step 6: Final answer
    x = 509,249.91

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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.