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Finding the Fourth Proportional to 539,635.71, 744,698.22 and 297,918.67

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Solution

The fourth proportional to 539,635.71, 744,698.22 and 297,918.67 is: 411,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,635.71 : 744,698.22 = 297,918.67 : x
  2. Step 2: Convert to fraction form
    539,635.71/744,698.22 = 297,918.67/x
  3. Step 3: Cross multiply
    539,635.71x = 744,698.22 × 297,918.67
  4. Step 4: Simplify right side
    539,635.71x = 221,859,505,301.84
  5. Step 5: Solve for x
    x = 221,859,505,301.84/539,635.71
  6. Step 6: Final answer
    x = 411,128.29

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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.