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Finding the Fourth Proportional to 539,461.14, 744,403.37 and 297,728.10

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Solution

The fourth proportional to 539,461.14, 744,403.37 and 297,728.10 is: 410,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,461.14 : 744,403.37 = 297,728.10 : x
  2. Step 2: Convert to fraction form
    539,461.14/744,403.37 = 297,728.10/x
  3. Step 3: Cross multiply
    539,461.14x = 744,403.37 × 297,728.10
  4. Step 4: Simplify right side
    539,461.14x = 221,629,800,855.71
  5. Step 5: Solve for x
    x = 221,629,800,855.71/539,461.14
  6. Step 6: Final answer
    x = 410,835.53

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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.