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Finding the Fourth Proportional to 637,793.61, 880,126 and 365,844.39

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Solution

The fourth proportional to 637,793.61, 880,126 and 365,844.39 is: 504,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,793.61 : 880,126 = 365,844.39 : x
  2. Step 2: Convert to fraction form
    637,793.61/880,126 = 365,844.39/x
  3. Step 3: Cross multiply
    637,793.61x = 880,126 × 365,844.39
  4. Step 4: Simplify right side
    637,793.61x = 321,989,159,593.14
  5. Step 5: Solve for x
    x = 321,989,159,593.14/637,793.61
  6. Step 6: Final answer
    x = 504,848.52

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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.