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Finding the Fourth Proportional to 545,401.04, 818,044.32 and 146,083.04

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Solution

The fourth proportional to 545,401.04, 818,044.32 and 146,083.04 is: 219,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,401.04 : 818,044.32 = 146,083.04 : x
  2. Step 2: Convert to fraction form
    545,401.04/818,044.32 = 146,083.04/x
  3. Step 3: Cross multiply
    545,401.04x = 818,044.32 × 146,083.04
  4. Step 4: Simplify right side
    545,401.04x = 119,502,401,120.33
  5. Step 5: Solve for x
    x = 119,502,401,120.33/545,401.04
  6. Step 6: Final answer
    x = 219,109.23

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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.