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Finding the Fourth Proportional to 655,462.72, 904,624.77 and 369,038.62

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Solution

The fourth proportional to 655,462.72, 904,624.77 and 369,038.62 is: 509,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,462.72 : 904,624.77 = 369,038.62 : x
  2. Step 2: Convert to fraction form
    655,462.72/904,624.77 = 369,038.62/x
  3. Step 3: Cross multiply
    655,462.72x = 904,624.77 × 369,038.62
  4. Step 4: Simplify right side
    655,462.72x = 333,841,476,738.62
  5. Step 5: Solve for x
    x = 333,841,476,738.62/655,462.72
  6. Step 6: Final answer
    x = 509,321.84

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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.