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Finding the Fourth Proportional to 519,222.51, 778,877.55 and 164,228.67

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Solution

The fourth proportional to 519,222.51, 778,877.55 and 164,228.67 is: 246,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,222.51 : 778,877.55 = 164,228.67 : x
  2. Step 2: Convert to fraction form
    519,222.51/778,877.55 = 164,228.67/x
  3. Step 3: Cross multiply
    519,222.51x = 778,877.55 × 164,228.67
  4. Step 4: Simplify right side
    519,222.51x = 127,914,024,129.36
  5. Step 5: Solve for x
    x = 127,914,024,129.36/519,222.51
  6. Step 6: Final answer
    x = 246,356.85

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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.