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Finding the Fourth Proportional to 943,520.22, 1,302,057.99 and 513,800.22

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Solution

The fourth proportional to 943,520.22, 1,302,057.99 and 513,800.22 is: 709,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,520.22 : 1,302,057.99 = 513,800.22 : x
  2. Step 2: Convert to fraction form
    943,520.22/1,302,057.99 = 513,800.22/x
  3. Step 3: Cross multiply
    943,520.22x = 1,302,057.99 × 513,800.22
  4. Step 4: Simplify right side
    943,520.22x = 668,997,681,714.76
  5. Step 5: Solve for x
    x = 668,997,681,714.76/943,520.22
  6. Step 6: Final answer
    x = 709,044.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.