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Finding the Fourth Proportional to 365,071.34, 503,471.19 and 304,019.66

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Solution

The fourth proportional to 365,071.34, 503,471.19 and 304,019.66 is: 419,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,071.34 : 503,471.19 = 304,019.66 : x
  2. Step 2: Convert to fraction form
    365,071.34/503,471.19 = 304,019.66/x
  3. Step 3: Cross multiply
    365,071.34x = 503,471.19 × 304,019.66
  4. Step 4: Simplify right side
    365,071.34x = 153,065,142,402.35
  5. Step 5: Solve for x
    x = 153,065,142,402.35/365,071.34
  6. Step 6: Final answer
    x = 419,274.60

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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.