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Finding the Fourth Proportional to 531,222.68, 796,720.41 and 152,041.61

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Solution

The fourth proportional to 531,222.68, 796,720.41 and 152,041.61 is: 228,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,222.68 : 796,720.41 = 152,041.61 : x
  2. Step 2: Convert to fraction form
    531,222.68/796,720.41 = 152,041.61/x
  3. Step 3: Cross multiply
    531,222.68x = 796,720.41 × 152,041.61
  4. Step 4: Simplify right side
    531,222.68x = 121,134,655,848.06
  5. Step 5: Solve for x
    x = 121,134,655,848.06/531,222.68
  6. Step 6: Final answer
    x = 228,029.90

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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.