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Finding the Fourth Proportional to 301,071.33, 415,239.24 and 255,898.83

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Solution

The fourth proportional to 301,071.33, 415,239.24 and 255,898.83 is: 352,937.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,071.33 : 415,239.24 = 255,898.83 : x
  2. Step 2: Convert to fraction form
    301,071.33/415,239.24 = 255,898.83/x
  3. Step 3: Cross multiply
    301,071.33x = 415,239.24 × 255,898.83
  4. Step 4: Simplify right side
    301,071.33x = 106,259,235,686.09
  5. Step 5: Solve for x
    x = 106,259,235,686.09/301,071.33
  6. Step 6: Final answer
    x = 352,937.08

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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.