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Finding the Fourth Proportional to 440,466.69, 607,833.84 and 256,693.56

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Solution

The fourth proportional to 440,466.69, 607,833.84 and 256,693.56 is: 354,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,466.69 : 607,833.84 = 256,693.56 : x
  2. Step 2: Convert to fraction form
    440,466.69/607,833.84 = 256,693.56/x
  3. Step 3: Cross multiply
    440,466.69x = 607,833.84 × 256,693.56
  4. Step 4: Simplify right side
    440,466.69x = 156,027,032,278.07
  5. Step 5: Solve for x
    x = 156,027,032,278.07/440,466.69
  6. Step 6: Final answer
    x = 354,231.17

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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.