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Finding the Fourth Proportional to 510,357.24, 763,663.52 and 425,908.90

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Solution

The fourth proportional to 510,357.24, 763,663.52 and 425,908.90 is: 637,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,357.24 : 763,663.52 = 425,908.90 : x
  2. Step 2: Convert to fraction form
    510,357.24/763,663.52 = 425,908.90/x
  3. Step 3: Cross multiply
    510,357.24x = 763,663.52 × 425,908.90
  4. Step 4: Simplify right side
    510,357.24x = 325,251,089,773.33
  5. Step 5: Solve for x
    x = 325,251,089,773.33/510,357.24
  6. Step 6: Final answer
    x = 637,300.82

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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.