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Finding the Fourth Proportional to 341,483.50, 471,213.55 and 188,511.76

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Solution

The fourth proportional to 341,483.50, 471,213.55 and 188,511.76 is: 260,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,483.50 : 471,213.55 = 188,511.76 : x
  2. Step 2: Convert to fraction form
    341,483.50/471,213.55 = 188,511.76/x
  3. Step 3: Cross multiply
    341,483.50x = 471,213.55 × 188,511.76
  4. Step 4: Simplify right side
    341,483.50x = 88,829,295,646.35
  5. Step 5: Solve for x
    x = 88,829,295,646.35/341,483.50
  6. Step 6: Final answer
    x = 260,127.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.