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Finding the Fourth Proportional to 375,667.74, 563,536.35 and 135,841.50

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Solution

The fourth proportional to 375,667.74, 563,536.35 and 135,841.50 is: 203,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,667.74 : 563,536.35 = 135,841.50 : x
  2. Step 2: Convert to fraction form
    375,667.74/563,536.35 = 135,841.50/x
  3. Step 3: Cross multiply
    375,667.74x = 563,536.35 × 135,841.50
  4. Step 4: Simplify right side
    375,667.74x = 76,551,623,088.53
  5. Step 5: Solve for x
    x = 76,551,623,088.53/375,667.74
  6. Step 6: Final answer
    x = 203,774.81

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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.