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Finding the Fourth Proportional to 366,953.30, 549,911.55 and 271,438.10

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Solution

The fourth proportional to 366,953.30, 549,911.55 and 271,438.10 is: 406,773.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,953.30 : 549,911.55 = 271,438.10 : x
  2. Step 2: Convert to fraction form
    366,953.30/549,911.55 = 271,438.10/x
  3. Step 3: Cross multiply
    366,953.30x = 549,911.55 × 271,438.10
  4. Step 4: Simplify right side
    366,953.30x = 149,266,946,300.06
  5. Step 5: Solve for x
    x = 149,266,946,300.06/366,953.30
  6. Step 6: Final answer
    x = 406,773.69

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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.