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Finding the Fourth Proportional to 370,281, 555,306.30 and 133,592.68

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Solution

The fourth proportional to 370,281, 555,306.30 and 133,592.68 is: 200,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,281 : 555,306.30 = 133,592.68 : x
  2. Step 2: Convert to fraction form
    370,281/555,306.30 = 133,592.68/x
  3. Step 3: Cross multiply
    370,281x = 555,306.30 × 133,592.68
  4. Step 4: Simplify right side
    370,281x = 74,184,856,837.88
  5. Step 5: Solve for x
    x = 74,184,856,837.88/370,281
  6. Step 6: Final answer
    x = 200,347.46

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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.