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Finding the Fourth Proportional to 655,612.58, 904,773.26 and 365,223.80

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Solution

The fourth proportional to 655,612.58, 904,773.26 and 365,223.80 is: 504,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,612.58 : 904,773.26 = 365,223.80 : x
  2. Step 2: Convert to fraction form
    655,612.58/904,773.26 = 365,223.80/x
  3. Step 3: Cross multiply
    655,612.58x = 904,773.26 × 365,223.80
  4. Step 4: Simplify right side
    655,612.58x = 330,444,728,155.59
  5. Step 5: Solve for x
    x = 330,444,728,155.59/655,612.58
  6. Step 6: Final answer
    x = 504,024.39

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1.5x scale

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.