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Finding the Fourth Proportional to 336,041.40, 504,062.10 and 302,215.80

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Solution

The fourth proportional to 336,041.40, 504,062.10 and 302,215.80 is: 453,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,041.40 : 504,062.10 = 302,215.80 : x
  2. Step 2: Convert to fraction form
    336,041.40/504,062.10 = 302,215.80/x
  3. Step 3: Cross multiply
    336,041.40x = 504,062.10 × 302,215.80
  4. Step 4: Simplify right side
    336,041.40x = 152,335,530,801.18
  5. Step 5: Solve for x
    x = 152,335,530,801.18/336,041.40
  6. Step 6: Final answer
    x = 453,323.70

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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.