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Finding the Fourth Proportional to 539,340.48, 744,289.29 and 297,622.98

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Solution

The fourth proportional to 539,340.48, 744,289.29 and 297,622.98 is: 410,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,340.48 : 744,289.29 = 297,622.98 : x
  2. Step 2: Convert to fraction form
    539,340.48/744,289.29 = 297,622.98/x
  3. Step 3: Cross multiply
    539,340.48x = 744,289.29 × 297,622.98
  4. Step 4: Simplify right side
    539,340.48x = 221,517,596,471.88
  5. Step 5: Solve for x
    x = 221,517,596,471.88/539,340.48
  6. Step 6: Final answer
    x = 410,719.40

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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.