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Finding the Fourth Proportional to 292,624.44, 438,904.76 and 198,459.51

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Solution

The fourth proportional to 292,624.44, 438,904.76 and 198,459.51 is: 297,667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,624.44 : 438,904.76 = 198,459.51 : x
  2. Step 2: Convert to fraction form
    292,624.44/438,904.76 = 198,459.51/x
  3. Step 3: Cross multiply
    292,624.44x = 438,904.76 × 198,459.51
  4. Step 4: Simplify right side
    292,624.44x = 87,104,823,606.27
  5. Step 5: Solve for x
    x = 87,104,823,606.27/292,624.44
  6. Step 6: Final answer
    x = 297,667.63

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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.