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Finding the Fourth Proportional to 452,777.10, 679,165.65 and 203,945.10

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Solution

The fourth proportional to 452,777.10, 679,165.65 and 203,945.10 is: 305,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,777.10 : 679,165.65 = 203,945.10 : x
  2. Step 2: Convert to fraction form
    452,777.10/679,165.65 = 203,945.10/x
  3. Step 3: Cross multiply
    452,777.10x = 679,165.65 × 203,945.10
  4. Step 4: Simplify right side
    452,777.10x = 138,512,506,405.82
  5. Step 5: Solve for x
    x = 138,512,506,405.82/452,777.10
  6. Step 6: Final answer
    x = 305,917.65

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Similar ratio
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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.