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Finding the Fourth Proportional to 604,803.08, 907,765.68 and 305,493.86

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Solution

The fourth proportional to 604,803.08, 907,765.68 and 305,493.86 is: 458,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,803.08 : 907,765.68 = 305,493.86 : x
  2. Step 2: Convert to fraction form
    604,803.08/907,765.68 = 305,493.86/x
  3. Step 3: Cross multiply
    604,803.08x = 907,765.68 × 305,493.86
  4. Step 4: Simplify right side
    604,803.08x = 277,316,841,558.73
  5. Step 5: Solve for x
    x = 277,316,841,558.73/604,803.08
  6. Step 6: Final answer
    x = 458,524.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.