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Finding the Fourth Proportional to 385,903.34, 532,548.24 and 224,868.86

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Solution

The fourth proportional to 385,903.34, 532,548.24 and 224,868.86 is: 310,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,903.34 : 532,548.24 = 224,868.86 : x
  2. Step 2: Convert to fraction form
    385,903.34/532,548.24 = 224,868.86/x
  3. Step 3: Cross multiply
    385,903.34x = 532,548.24 × 224,868.86
  4. Step 4: Simplify right side
    385,903.34x = 119,753,515,623.81
  5. Step 5: Solve for x
    x = 119,753,515,623.81/385,903.34
  6. Step 6: Final answer
    x = 310,319.98

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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.