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Finding the Fourth Proportional to 675,092.36, 931,188.38 and 432,991.46

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Solution

The fourth proportional to 675,092.36, 931,188.38 and 432,991.46 is: 597,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,092.36 : 931,188.38 = 432,991.46 : x
  2. Step 2: Convert to fraction form
    675,092.36/931,188.38 = 432,991.46/x
  3. Step 3: Cross multiply
    675,092.36x = 931,188.38 × 432,991.46
  4. Step 4: Simplify right side
    675,092.36x = 403,196,616,191.24
  5. Step 5: Solve for x
    x = 403,196,616,191.24/675,092.36
  6. Step 6: Final answer
    x = 597,246.60

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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.