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Finding the Fourth Proportional to 375,421.18, 562,881.57 and 195,063.39

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Solution

The fourth proportional to 375,421.18, 562,881.57 and 195,063.39 is: 292,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,421.18 : 562,881.57 = 195,063.39 : x
  2. Step 2: Convert to fraction form
    375,421.18/562,881.57 = 195,063.39/x
  3. Step 3: Cross multiply
    375,421.18x = 562,881.57 × 195,063.39
  4. Step 4: Simplify right side
    375,421.18x = 109,797,587,212.72
  5. Step 5: Solve for x
    x = 109,797,587,212.72/375,421.18
  6. Step 6: Final answer
    x = 292,465.08

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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.