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Finding the Fourth Proportional to 539,262.41, 744,197.69 and 297,560.54

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Solution

The fourth proportional to 539,262.41, 744,197.69 and 297,560.54 is: 410,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,262.41 : 744,197.69 = 297,560.54 : x
  2. Step 2: Convert to fraction form
    539,262.41/744,197.69 = 297,560.54/x
  3. Step 3: Cross multiply
    539,262.41x = 744,197.69 × 297,560.54
  4. Step 4: Simplify right side
    539,262.41x = 221,443,866,875.84
  5. Step 5: Solve for x
    x = 221,443,866,875.84/539,262.41
  6. Step 6: Final answer
    x = 410,642.14

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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.