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Finding the Fourth Proportional to 539,174.88, 744,056.55 and 297,459.54

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Solution

The fourth proportional to 539,174.88, 744,056.55 and 297,459.54 is: 410,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,174.88 : 744,056.55 = 297,459.54 : x
  2. Step 2: Convert to fraction form
    539,174.88/744,056.55 = 297,459.54/x
  3. Step 3: Cross multiply
    539,174.88x = 744,056.55 × 297,459.54
  4. Step 4: Simplify right side
    539,174.88x = 221,326,719,096.99
  5. Step 5: Solve for x
    x = 221,326,719,096.99/539,174.88
  6. Step 6: Final answer
    x = 410,491.53

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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.