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Finding the Fourth Proportional to 675,004.34, 931,519.46 and 369,099.86

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Solution

The fourth proportional to 675,004.34, 931,519.46 and 369,099.86 is: 509,365.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,004.34 : 931,519.46 = 369,099.86 : x
  2. Step 2: Convert to fraction form
    675,004.34/931,519.46 = 369,099.86/x
  3. Step 3: Cross multiply
    675,004.34x = 931,519.46 × 369,099.86
  4. Step 4: Simplify right side
    675,004.34x = 343,823,702,273.28
  5. Step 5: Solve for x
    x = 343,823,702,273.28/675,004.34
  6. Step 6: Final answer
    x = 509,365.17

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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.