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Finding the Fourth Proportional to 301,369.88, 415,820.58 and 180,488.72

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Solution

The fourth proportional to 301,369.88, 415,820.58 and 180,488.72 is: 249,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,369.88 : 415,820.58 = 180,488.72 : x
  2. Step 2: Convert to fraction form
    301,369.88/415,820.58 = 180,488.72/x
  3. Step 3: Cross multiply
    301,369.88x = 415,820.58 × 180,488.72
  4. Step 4: Simplify right side
    301,369.88x = 75,050,924,233.86
  5. Step 5: Solve for x
    x = 75,050,924,233.86/301,369.88
  6. Step 6: Final answer
    x = 249,032.60

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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.