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Finding the Fourth Proportional to 445,205.10, 614,595.84 and 254,181.60

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Solution

The fourth proportional to 445,205.10, 614,595.84 and 254,181.60 is: 350,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,205.10 : 614,595.84 = 254,181.60 : x
  2. Step 2: Convert to fraction form
    445,205.10/614,595.84 = 254,181.60/x
  3. Step 3: Cross multiply
    445,205.10x = 614,595.84 × 254,181.60
  4. Step 4: Simplify right side
    445,205.10x = 156,218,953,964.54
  5. Step 5: Solve for x
    x = 156,218,953,964.54/445,205.10
  6. Step 6: Final answer
    x = 350,892.10

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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.