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Finding the Fourth Proportional to 539,511.10, 744,525.38 and 297,793.76

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Solution

The fourth proportional to 539,511.10, 744,525.38 and 297,793.76 is: 410,955.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,511.10 : 744,525.38 = 297,793.76 : x
  2. Step 2: Convert to fraction form
    539,511.10/744,525.38 = 297,793.76/x
  3. Step 3: Cross multiply
    539,511.10x = 744,525.38 × 297,793.76
  4. Step 4: Simplify right side
    539,511.10x = 221,715,009,347.49
  5. Step 5: Solve for x
    x = 221,715,009,347.49/539,511.10
  6. Step 6: Final answer
    x = 410,955.42

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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.