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Finding the Fourth Proportional to 292,031.80, 437,874.90 and 152,063.80

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Solution

The fourth proportional to 292,031.80, 437,874.90 and 152,063.80 is: 228,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,031.80 : 437,874.90 = 152,063.80 : x
  2. Step 2: Convert to fraction form
    292,031.80/437,874.90 = 152,063.80/x
  3. Step 3: Cross multiply
    292,031.80x = 437,874.90 × 152,063.80
  4. Step 4: Simplify right side
    292,031.80x = 66,584,921,218.62
  5. Step 5: Solve for x
    x = 66,584,921,218.62/292,031.80
  6. Step 6: Final answer
    x = 228,005.72

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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.