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Finding the Fourth Proportional to 403,608.40, 604,246.20 and 246,144.40

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Solution

The fourth proportional to 403,608.40, 604,246.20 and 246,144.40 is: 368,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,608.40 : 604,246.20 = 246,144.40 : x
  2. Step 2: Convert to fraction form
    403,608.40/604,246.20 = 246,144.40/x
  3. Step 3: Cross multiply
    403,608.40x = 604,246.20 × 246,144.40
  4. Step 4: Simplify right side
    403,608.40x = 148,731,818,351.28
  5. Step 5: Solve for x
    x = 148,731,818,351.28/403,608.40
  6. Step 6: Final answer
    x = 368,505.26

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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.