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Finding the Fourth Proportional to 440,386.67, 607,736.72 and 239,182.67

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Solution

The fourth proportional to 440,386.67, 607,736.72 and 239,182.67 is: 330,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,386.67 : 607,736.72 = 239,182.67 : x
  2. Step 2: Convert to fraction form
    440,386.67/607,736.72 = 239,182.67/x
  3. Step 3: Cross multiply
    440,386.67x = 607,736.72 × 239,182.67
  4. Step 4: Simplify right side
    440,386.67x = 145,360,091,346.64
  5. Step 5: Solve for x
    x = 145,360,091,346.64/440,386.67
  6. Step 6: Final answer
    x = 330,073.78

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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.