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Finding the Fourth Proportional to 543,976.92, 750,674.50 and 302,260.10

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Solution

The fourth proportional to 543,976.92, 750,674.50 and 302,260.10 is: 417,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,976.92 : 750,674.50 = 302,260.10 : x
  2. Step 2: Convert to fraction form
    543,976.92/750,674.50 = 302,260.10/x
  3. Step 3: Cross multiply
    543,976.92x = 750,674.50 × 302,260.10
  4. Step 4: Simplify right side
    543,976.92x = 226,898,949,437.45
  5. Step 5: Solve for x
    x = 226,898,949,437.45/543,976.92
  6. Step 6: Final answer
    x = 417,111.35

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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.