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Finding the Fourth Proportional to 519,523.60, 779,280.01 and 164,537.59

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Solution

The fourth proportional to 519,523.60, 779,280.01 and 164,537.59 is: 246,804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,523.60 : 779,280.01 = 164,537.59 : x
  2. Step 2: Convert to fraction form
    519,523.60/779,280.01 = 164,537.59/x
  3. Step 3: Cross multiply
    519,523.60x = 779,280.01 × 164,537.59
  4. Step 4: Simplify right side
    519,523.60x = 128,220,850,061.49
  5. Step 5: Solve for x
    x = 128,220,850,061.49/519,523.60
  6. Step 6: Final answer
    x = 246,804.67

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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.