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Finding the Fourth Proportional to 864,219.04, 1,294,462.32 and 843,068.32

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Solution

The fourth proportional to 864,219.04, 1,294,462.32 and 843,068.32 is: 1,262,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,219.04 : 1,294,462.32 = 843,068.32 : x
  2. Step 2: Convert to fraction form
    864,219.04/1,294,462.32 = 843,068.32/x
  3. Step 3: Cross multiply
    864,219.04x = 1,294,462.32 × 843,068.32
  4. Step 4: Simplify right side
    864,219.04x = 1,091,320,173,425.70
  5. Step 5: Solve for x
    x = 1,091,320,173,425.70/864,219.04
  6. Step 6: Final answer
    x = 1,262,781.91

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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.