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Finding the Fourth Proportional to 458,614.72, 688,044.08 and 159,094.81

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Solution

The fourth proportional to 458,614.72, 688,044.08 and 159,094.81 is: 238,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,614.72 : 688,044.08 = 159,094.81 : x
  2. Step 2: Convert to fraction form
    458,614.72/688,044.08 = 159,094.81/x
  3. Step 3: Cross multiply
    458,614.72x = 688,044.08 × 159,094.81
  4. Step 4: Simplify right side
    458,614.72x = 109,464,239,663.64
  5. Step 5: Solve for x
    x = 109,464,239,663.64/458,614.72
  6. Step 6: Final answer
    x = 238,684.53

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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.