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Finding the Fourth Proportional to 519,363.84, 779,051.52 and 182,390.40

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Solution

The fourth proportional to 519,363.84, 779,051.52 and 182,390.40 is: 273,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,363.84 : 779,051.52 = 182,390.40 : x
  2. Step 2: Convert to fraction form
    519,363.84/779,051.52 = 182,390.40/x
  3. Step 3: Cross multiply
    519,363.84x = 779,051.52 × 182,390.40
  4. Step 4: Simplify right side
    519,363.84x = 142,091,518,353.41
  5. Step 5: Solve for x
    x = 142,091,518,353.41/519,363.84
  6. Step 6: Final answer
    x = 273,587.62

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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.