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Finding the Fourth Proportional to 440,590.26, 608,016.16 and 239,386.26

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Solution

The fourth proportional to 440,590.26, 608,016.16 and 239,386.26 is: 330,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,590.26 : 608,016.16 = 239,386.26 : x
  2. Step 2: Convert to fraction form
    440,590.26/608,016.16 = 239,386.26/x
  3. Step 3: Cross multiply
    440,590.26x = 608,016.16 × 239,386.26
  4. Step 4: Simplify right side
    440,590.26x = 145,550,714,561.96
  5. Step 5: Solve for x
    x = 145,550,714,561.96/440,590.26
  6. Step 6: Final answer
    x = 330,353.91

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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.