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Finding the Fourth Proportional to 543,994.08, 750,695.68 and 302,270.72

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Solution

The fourth proportional to 543,994.08, 750,695.68 and 302,270.72 is: 417,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,994.08 : 750,695.68 = 302,270.72 : x
  2. Step 2: Convert to fraction form
    543,994.08/750,695.68 = 302,270.72/x
  3. Step 3: Cross multiply
    543,994.08x = 750,695.68 × 302,270.72
  4. Step 4: Simplify right side
    543,994.08x = 226,913,323,694.49
  5. Step 5: Solve for x
    x = 226,913,323,694.49/543,994.08
  6. Step 6: Final answer
    x = 417,124.62

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Why These Related Problems?

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