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Finding the Fourth Proportional to 675,429.24, 932,099.72 and 369,499.08

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Solution

The fourth proportional to 675,429.24, 932,099.72 and 369,499.08 is: 509,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,429.24 : 932,099.72 = 369,499.08 : x
  2. Step 2: Convert to fraction form
    675,429.24/932,099.72 = 369,499.08/x
  3. Step 3: Cross multiply
    675,429.24x = 932,099.72 × 369,499.08
  4. Step 4: Simplify right side
    675,429.24x = 344,409,989,008.26
  5. Step 5: Solve for x
    x = 344,409,989,008.26/675,429.24
  6. Step 6: Final answer
    x = 509,912.76

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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.