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Finding the Fourth Proportional to 301,307.01, 415,789.61 and 165,337.53

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Solution

The fourth proportional to 301,307.01, 415,789.61 and 165,337.53 is: 228,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,307.01 : 415,789.61 = 165,337.53 : x
  2. Step 2: Convert to fraction form
    301,307.01/415,789.61 = 165,337.53/x
  3. Step 3: Cross multiply
    301,307.01x = 415,789.61 × 165,337.53
  4. Step 4: Simplify right side
    301,307.01x = 68,745,626,290.38
  5. Step 5: Solve for x
    x = 68,745,626,290.38/301,307.01
  6. Step 6: Final answer
    x = 228,158.07

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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.