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Finding the Fourth Proportional to 440,388.18, 607,698.56 and 244,159.89

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Solution

The fourth proportional to 440,388.18, 607,698.56 and 244,159.89 is: 336,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,388.18 : 607,698.56 = 244,159.89 : x
  2. Step 2: Convert to fraction form
    440,388.18/607,698.56 = 244,159.89/x
  3. Step 3: Cross multiply
    440,388.18x = 607,698.56 × 244,159.89
  4. Step 4: Simplify right side
    440,388.18x = 148,375,612,341.96
  5. Step 5: Solve for x
    x = 148,375,612,341.96/440,388.18
  6. Step 6: Final answer
    x = 336,920.06

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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.