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Finding the Fourth Proportional to 384,140.70, 576,684.90 and 241,985.70

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Solution

The fourth proportional to 384,140.70, 576,684.90 and 241,985.70 is: 363,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,140.70 : 576,684.90 = 241,985.70 : x
  2. Step 2: Convert to fraction form
    384,140.70/576,684.90 = 241,985.70/x
  3. Step 3: Cross multiply
    384,140.70x = 576,684.90 × 241,985.70
  4. Step 4: Simplify right side
    384,140.70x = 139,549,499,205.93
  5. Step 5: Solve for x
    x = 139,549,499,205.93/384,140.70
  6. Step 6: Final answer
    x = 363,277.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.