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Finding the Fourth Proportional to 350,564.28, 483,877.82 and 207,374.10

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Solution

The fourth proportional to 350,564.28, 483,877.82 and 207,374.10 is: 286,234.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,564.28 : 483,877.82 = 207,374.10 : x
  2. Step 2: Convert to fraction form
    350,564.28/483,877.82 = 207,374.10/x
  3. Step 3: Cross multiply
    350,564.28x = 483,877.82 × 207,374.10
  4. Step 4: Simplify right side
    350,564.28x = 100,343,727,432.46
  5. Step 5: Solve for x
    x = 100,343,727,432.46/350,564.28
  6. Step 6: Final answer
    x = 286,234.89

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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.