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Finding the Fourth Proportional to 539,521.71, 744,540.03 and 297,804.34

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Solution

The fourth proportional to 539,521.71, 744,540.03 and 297,804.34 is: 410,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,521.71 : 744,540.03 = 297,804.34 : x
  2. Step 2: Convert to fraction form
    539,521.71/744,540.03 = 297,804.34/x
  3. Step 3: Cross multiply
    539,521.71x = 744,540.03 × 297,804.34
  4. Step 4: Simplify right side
    539,521.71x = 221,727,252,237.73
  5. Step 5: Solve for x
    x = 221,727,252,237.73/539,521.71
  6. Step 6: Final answer
    x = 410,970.03

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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.