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Finding the Fourth Proportional to 885,875.40, 1,327,229.10 and 539,027.40

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Solution

The fourth proportional to 885,875.40, 1,327,229.10 and 539,027.40 is: 807,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,875.40 : 1,327,229.10 = 539,027.40 : x
  2. Step 2: Convert to fraction form
    885,875.40/1,327,229.10 = 539,027.40/x
  3. Step 3: Cross multiply
    885,875.40x = 1,327,229.10 × 539,027.40
  4. Step 4: Simplify right side
    885,875.40x = 715,412,850,977.34
  5. Step 5: Solve for x
    x = 715,412,850,977.34/885,875.40
  6. Step 6: Final answer
    x = 807,577.29

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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.