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Finding the Fourth Proportional to 482,263.71, 723,147.71 and 282,976.98

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Solution

The fourth proportional to 482,263.71, 723,147.71 and 282,976.98 is: 424,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,263.71 : 723,147.71 = 282,976.98 : x
  2. Step 2: Convert to fraction form
    482,263.71/723,147.71 = 282,976.98/x
  3. Step 3: Cross multiply
    482,263.71x = 723,147.71 × 282,976.98
  4. Step 4: Simplify right side
    482,263.71x = 204,634,153,654.83
  5. Step 5: Solve for x
    x = 204,634,153,654.83/482,263.71
  6. Step 6: Final answer
    x = 424,320.03

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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.