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Finding the Fourth Proportional to 374,787, 562,181.04 and 153,171

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Solution

The fourth proportional to 374,787, 562,181.04 and 153,171 is: 229,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,787 : 562,181.04 = 153,171 : x
  2. Step 2: Convert to fraction form
    374,787/562,181.04 = 153,171/x
  3. Step 3: Cross multiply
    374,787x = 562,181.04 × 153,171
  4. Step 4: Simplify right side
    374,787x = 86,109,832,077.84
  5. Step 5: Solve for x
    x = 86,109,832,077.84/374,787
  6. Step 6: Final answer
    x = 229,756.72

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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.