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Finding the Fourth Proportional to 554,857.96, 831,937.02 and 305,714.92

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Solution

The fourth proportional to 554,857.96, 831,937.02 and 305,714.92 is: 458,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,857.96 : 831,937.02 = 305,714.92 : x
  2. Step 2: Convert to fraction form
    554,857.96/831,937.02 = 305,714.92/x
  3. Step 3: Cross multiply
    554,857.96x = 831,937.02 × 305,714.92
  4. Step 4: Simplify right side
    554,857.96x = 254,335,559,514.34
  5. Step 5: Solve for x
    x = 254,335,559,514.34/554,857.96
  6. Step 6: Final answer
    x = 458,379.58

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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.