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Finding the Fourth Proportional to 374,575, 561,863.04 and 152,959

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Solution

The fourth proportional to 374,575, 561,863.04 and 152,959 is: 229,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,575 : 561,863.04 = 152,959 : x
  2. Step 2: Convert to fraction form
    374,575/561,863.04 = 152,959/x
  3. Step 3: Cross multiply
    374,575x = 561,863.04 × 152,959
  4. Step 4: Simplify right side
    374,575x = 85,942,008,735.36
  5. Step 5: Solve for x
    x = 85,942,008,735.36/374,575
  6. Step 6: Final answer
    x = 229,438.72

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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.