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Finding the Fourth Proportional to 531,578.24, 797,231.52 and 157,513.76

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Solution

The fourth proportional to 531,578.24, 797,231.52 and 157,513.76 is: 236,230.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,578.24 : 797,231.52 = 157,513.76 : x
  2. Step 2: Convert to fraction form
    531,578.24/797,231.52 = 157,513.76/x
  3. Step 3: Cross multiply
    531,578.24x = 797,231.52 × 157,513.76
  4. Step 4: Simplify right side
    531,578.24x = 125,574,934,305.72
  5. Step 5: Solve for x
    x = 125,574,934,305.72/531,578.24
  6. Step 6: Final answer
    x = 236,230.39

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1.5x scale

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.