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Finding the Fourth Proportional to 366,871.40, 549,788.70 and 226,212.20

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Solution

The fourth proportional to 366,871.40, 549,788.70 and 226,212.20 is: 338,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,871.40 : 549,788.70 = 226,212.20 : x
  2. Step 2: Convert to fraction form
    366,871.40/549,788.70 = 226,212.20/x
  3. Step 3: Cross multiply
    366,871.40x = 549,788.70 × 226,212.20
  4. Step 4: Simplify right side
    366,871.40x = 124,368,911,362.14
  5. Step 5: Solve for x
    x = 124,368,911,362.14/366,871.40
  6. Step 6: Final answer
    x = 338,998.66

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1.5x scale

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.