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Finding the Fourth Proportional to 453,756.48, 680,476.06 and 133,823.49

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Solution

The fourth proportional to 453,756.48, 680,476.06 and 133,823.49 is: 200,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,756.48 : 680,476.06 = 133,823.49 : x
  2. Step 2: Convert to fraction form
    453,756.48/680,476.06 = 133,823.49/x
  3. Step 3: Cross multiply
    453,756.48x = 680,476.06 × 133,823.49
  4. Step 4: Simplify right side
    453,756.48x = 91,063,681,210.65
  5. Step 5: Solve for x
    x = 91,063,681,210.65/453,756.48
  6. Step 6: Final answer
    x = 200,688.44

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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.