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Finding the Fourth Proportional to 675,222.81, 931,367.61 and 433,121.91

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Solution

The fourth proportional to 675,222.81, 931,367.61 and 433,121.91 is: 597,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,222.81 : 931,367.61 = 433,121.91 : x
  2. Step 2: Convert to fraction form
    675,222.81/931,367.61 = 433,121.91/x
  3. Step 3: Cross multiply
    675,222.81x = 931,367.61 × 433,121.91
  4. Step 4: Simplify right side
    675,222.81x = 403,395,718,155.34
  5. Step 5: Solve for x
    x = 403,395,718,155.34/675,222.81
  6. Step 6: Final answer
    x = 597,426.08

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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.