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Finding the Fourth Proportional to 554,972.52, 765,862.06 and 300,323.70

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Solution

The fourth proportional to 554,972.52, 765,862.06 and 300,323.70 is: 414,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,972.52 : 765,862.06 = 300,323.70 : x
  2. Step 2: Convert to fraction form
    554,972.52/765,862.06 = 300,323.70/x
  3. Step 3: Cross multiply
    554,972.52x = 765,862.06 × 300,323.70
  4. Step 4: Simplify right side
    554,972.52x = 230,006,529,670.00
  5. Step 5: Solve for x
    x = 230,006,529,670.00/554,972.52
  6. Step 6: Final answer
    x = 414,446.70

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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.