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Finding the Fourth Proportional to 519,624.73, 779,459.01 and 164,630.89

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Solution

The fourth proportional to 519,624.73, 779,459.01 and 164,630.89 is: 246,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,624.73 : 779,459.01 = 164,630.89 : x
  2. Step 2: Convert to fraction form
    519,624.73/779,459.01 = 164,630.89/x
  3. Step 3: Cross multiply
    519,624.73x = 779,459.01 × 164,630.89
  4. Step 4: Simplify right side
    519,624.73x = 128,323,030,534.82
  5. Step 5: Solve for x
    x = 128,323,030,534.82/519,624.73
  6. Step 6: Final answer
    x = 246,953.28

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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.