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Finding the Fourth Proportional to 539,133.66, 744,004.62 and 297,416.88

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Solution

The fourth proportional to 539,133.66, 744,004.62 and 297,416.88 is: 410,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,133.66 : 744,004.62 = 297,416.88 : x
  2. Step 2: Convert to fraction form
    539,133.66/744,004.62 = 297,416.88/x
  3. Step 3: Cross multiply
    539,133.66x = 744,004.62 × 297,416.88
  4. Step 4: Simplify right side
    539,133.66x = 221,279,532,785.99
  5. Step 5: Solve for x
    x = 221,279,532,785.99/539,133.66
  6. Step 6: Final answer
    x = 410,435.39

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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.