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Finding the Fourth Proportional to 519,800.32, 779,699.96 and 195,648.94

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Solution

The fourth proportional to 519,800.32, 779,699.96 and 195,648.94 is: 293,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,800.32 : 779,699.96 = 195,648.94 : x
  2. Step 2: Convert to fraction form
    519,800.32/779,699.96 = 195,648.94/x
  3. Step 3: Cross multiply
    519,800.32x = 779,699.96 × 195,648.94
  4. Step 4: Simplify right side
    519,800.32x = 152,547,470,692.04
  5. Step 5: Solve for x
    x = 152,547,470,692.04/519,800.32
  6. Step 6: Final answer
    x = 293,473.21

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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.