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Finding the Fourth Proportional to 341,406.70, 512,110.05 and 119,790.70

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Solution

The fourth proportional to 341,406.70, 512,110.05 and 119,790.70 is: 179,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,406.70 : 512,110.05 = 119,790.70 : x
  2. Step 2: Convert to fraction form
    341,406.70/512,110.05 = 119,790.70/x
  3. Step 3: Cross multiply
    341,406.70x = 512,110.05 × 119,790.70
  4. Step 4: Simplify right side
    341,406.70x = 61,346,021,366.54
  5. Step 5: Solve for x
    x = 61,346,021,366.54/341,406.70
  6. Step 6: Final answer
    x = 179,686.05

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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.