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Finding the Fourth Proportional to 675,059.64, 931,143.36 and 432,958.74

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Solution

The fourth proportional to 675,059.64, 931,143.36 and 432,958.74 is: 597,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,059.64 : 931,143.36 = 432,958.74 : x
  2. Step 2: Convert to fraction form
    675,059.64/931,143.36 = 432,958.74/x
  3. Step 3: Cross multiply
    675,059.64x = 931,143.36 × 432,958.74
  4. Step 4: Simplify right side
    675,059.64x = 403,146,655,904.97
  5. Step 5: Solve for x
    x = 403,146,655,904.97/675,059.64
  6. Step 6: Final answer
    x = 597,201.54

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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.