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Finding the Fourth Proportional to 443,439.93, 611,897.58 and 249,856.41

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Solution

The fourth proportional to 443,439.93, 611,897.58 and 249,856.41 is: 344,773.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,439.93 : 611,897.58 = 249,856.41 : x
  2. Step 2: Convert to fraction form
    443,439.93/611,897.58 = 249,856.41/x
  3. Step 3: Cross multiply
    443,439.93x = 611,897.58 × 249,856.41
  4. Step 4: Simplify right side
    443,439.93x = 152,886,532,626.49
  5. Step 5: Solve for x
    x = 152,886,532,626.49/443,439.93
  6. Step 6: Final answer
    x = 344,773.94

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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.