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Finding the Fourth Proportional to 702,002.14, 968,679.66 and 396,060.69

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Solution

The fourth proportional to 702,002.14, 968,679.66 and 396,060.69 is: 546,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,002.14 : 968,679.66 = 396,060.69 : x
  2. Step 2: Convert to fraction form
    702,002.14/968,679.66 = 396,060.69/x
  3. Step 3: Cross multiply
    702,002.14x = 968,679.66 × 396,060.69
  4. Step 4: Simplify right side
    702,002.14x = 383,655,931,969.68
  5. Step 5: Solve for x
    x = 383,655,931,969.68/702,002.14
  6. Step 6: Final answer
    x = 546,516.75

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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.