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Finding the Fourth Proportional to 376,801.05, 565,201.58 and 127,483.05

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Solution

The fourth proportional to 376,801.05, 565,201.58 and 127,483.05 is: 191,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,801.05 : 565,201.58 = 127,483.05 : x
  2. Step 2: Convert to fraction form
    376,801.05/565,201.58 = 127,483.05/x
  3. Step 3: Cross multiply
    376,801.05x = 565,201.58 × 127,483.05
  4. Step 4: Simplify right side
    376,801.05x = 72,053,620,645.80
  5. Step 5: Solve for x
    x = 72,053,620,645.80/376,801.05
  6. Step 6: Final answer
    x = 191,224.58

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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.