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Finding the Fourth Proportional to 331,590.81, 457,804.35 and 234,999.51

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Solution

The fourth proportional to 331,590.81, 457,804.35 and 234,999.51 is: 324,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,590.81 : 457,804.35 = 234,999.51 : x
  2. Step 2: Convert to fraction form
    331,590.81/457,804.35 = 234,999.51/x
  3. Step 3: Cross multiply
    331,590.81x = 457,804.35 × 234,999.51
  4. Step 4: Simplify right side
    331,590.81x = 107,583,797,925.87
  5. Step 5: Solve for x
    x = 107,583,797,925.87/331,590.81
  6. Step 6: Final answer
    x = 324,447.47

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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.