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Finding the Fourth Proportional to 339,875.72, 469,051.42 and 224,956.40

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Solution

The fourth proportional to 339,875.72, 469,051.42 and 224,956.40 is: 310,455.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,875.72 : 469,051.42 = 224,956.40 : x
  2. Step 2: Convert to fraction form
    339,875.72/469,051.42 = 224,956.40/x
  3. Step 3: Cross multiply
    339,875.72x = 469,051.42 × 224,956.40
  4. Step 4: Simplify right side
    339,875.72x = 105,516,118,858.09
  5. Step 5: Solve for x
    x = 105,516,118,858.09/339,875.72
  6. Step 6: Final answer
    x = 310,455.01

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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.