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Finding the Fourth Proportional to 655,356.24, 904,333.95 and 364,945.86

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Solution

The fourth proportional to 655,356.24, 904,333.95 and 364,945.86 is: 503,593.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,356.24 : 904,333.95 = 364,945.86 : x
  2. Step 2: Convert to fraction form
    655,356.24/904,333.95 = 364,945.86/x
  3. Step 3: Cross multiply
    655,356.24x = 904,333.95 × 364,945.86
  4. Step 4: Simplify right side
    655,356.24x = 330,032,931,109.95
  5. Step 5: Solve for x
    x = 330,032,931,109.95/655,356.24
  6. Step 6: Final answer
    x = 503,593.18

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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.