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Finding the Fourth Proportional to 604,173.48, 906,239.10 and 154,898.88

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Solution

The fourth proportional to 604,173.48, 906,239.10 and 154,898.88 is: 232,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,173.48 : 906,239.10 = 154,898.88 : x
  2. Step 2: Convert to fraction form
    604,173.48/906,239.10 = 154,898.88/x
  3. Step 3: Cross multiply
    604,173.48x = 906,239.10 × 154,898.88
  4. Step 4: Simplify right side
    604,173.48x = 140,375,421,602.21
  5. Step 5: Solve for x
    x = 140,375,421,602.21/604,173.48
  6. Step 6: Final answer
    x = 232,342.91

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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.