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Finding the Fourth Proportional to 675,059.13, 931,142.67 and 432,958.23

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Solution

The fourth proportional to 675,059.13, 931,142.67 and 432,958.23 is: 597,200.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,059.13 : 931,142.67 = 432,958.23 : x
  2. Step 2: Convert to fraction form
    675,059.13/931,142.67 = 432,958.23/x
  3. Step 3: Cross multiply
    675,059.13x = 931,142.67 × 432,958.23
  4. Step 4: Simplify right side
    675,059.13x = 403,145,882,280.67
  5. Step 5: Solve for x
    x = 403,145,882,280.67/675,059.13
  6. Step 6: Final answer
    x = 597,200.84

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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.