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Finding the Fourth Proportional to 341,372.70, 512,350.65 and 152,124.30

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Solution

The fourth proportional to 341,372.70, 512,350.65 and 152,124.30 is: 228,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,372.70 : 512,350.65 = 152,124.30 : x
  2. Step 2: Convert to fraction form
    341,372.70/512,350.65 = 152,124.30/x
  3. Step 3: Cross multiply
    341,372.70x = 512,350.65 × 152,124.30
  4. Step 4: Simplify right side
    341,372.70x = 77,940,983,985.80
  5. Step 5: Solve for x
    x = 77,940,983,985.80/341,372.70
  6. Step 6: Final answer
    x = 228,316.39

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1.5x scale

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.