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Finding the Fourth Proportional to 370,045.85, 510,675.65 and 226,778.22

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Solution

The fourth proportional to 370,045.85, 510,675.65 and 226,778.22 is: 312,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,045.85 : 510,675.65 = 226,778.22 : x
  2. Step 2: Convert to fraction form
    370,045.85/510,675.65 = 226,778.22/x
  3. Step 3: Cross multiply
    370,045.85x = 510,675.65 × 226,778.22
  4. Step 4: Simplify right side
    370,045.85x = 115,810,114,904.34
  5. Step 5: Solve for x
    x = 115,810,114,904.34/370,045.85
  6. Step 6: Final answer
    x = 312,961.53

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1.5x scale

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.