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Finding the Fourth Proportional to 590,908.80, 886,640.01 and 291,225.89

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Solution

The fourth proportional to 590,908.80, 886,640.01 and 291,225.89 is: 436,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,908.80 : 886,640.01 = 291,225.89 : x
  2. Step 2: Convert to fraction form
    590,908.80/886,640.01 = 291,225.89/x
  3. Step 3: Cross multiply
    590,908.80x = 886,640.01 × 291,225.89
  4. Step 4: Simplify right side
    590,908.80x = 258,212,529,621.81
  5. Step 5: Solve for x
    x = 258,212,529,621.81/590,908.80
  6. Step 6: Final answer
    x = 436,975.27

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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.