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Finding the Fourth Proportional to 360,293.76, 497,179.08 and 199,139.76

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Solution

The fourth proportional to 360,293.76, 497,179.08 and 199,139.76 is: 274,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,293.76 : 497,179.08 = 199,139.76 : x
  2. Step 2: Convert to fraction form
    360,293.76/497,179.08 = 199,139.76/x
  3. Step 3: Cross multiply
    360,293.76x = 497,179.08 × 199,139.76
  4. Step 4: Simplify right side
    360,293.76x = 99,008,122,668.22
  5. Step 5: Solve for x
    x = 99,008,122,668.22/360,293.76
  6. Step 6: Final answer
    x = 274,798.33

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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.