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Finding the Fourth Proportional to 531,620.97, 797,322.69 and 152,440.11

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Solution

The fourth proportional to 531,620.97, 797,322.69 and 152,440.11 is: 228,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,620.97 : 797,322.69 = 152,440.11 : x
  2. Step 2: Convert to fraction form
    531,620.97/797,322.69 = 152,440.11/x
  3. Step 3: Cross multiply
    531,620.97x = 797,322.69 × 152,440.11
  4. Step 4: Simplify right side
    531,620.97x = 121,543,958,569.10
  5. Step 5: Solve for x
    x = 121,543,958,569.10/531,620.97
  6. Step 6: Final answer
    x = 228,628.98

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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.