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Finding the Fourth Proportional to 440,430.36, 607,794.54 and 239,226.36

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Solution

The fourth proportional to 440,430.36, 607,794.54 and 239,226.36 is: 330,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,430.36 : 607,794.54 = 239,226.36 : x
  2. Step 2: Convert to fraction form
    440,430.36/607,794.54 = 239,226.36/x
  3. Step 3: Cross multiply
    440,430.36x = 607,794.54 × 239,226.36
  4. Step 4: Simplify right side
    440,430.36x = 145,400,475,432.07
  5. Step 5: Solve for x
    x = 145,400,475,432.07/440,430.36
  6. Step 6: Final answer
    x = 330,132.73

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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.