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Finding the Fourth Proportional to 507,347.23, 761,056.35 and 203,741.34

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Solution

The fourth proportional to 507,347.23, 761,056.35 and 203,741.34 is: 305,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,347.23 : 761,056.35 = 203,741.34 : x
  2. Step 2: Convert to fraction form
    507,347.23/761,056.35 = 203,741.34/x
  3. Step 3: Cross multiply
    507,347.23x = 761,056.35 × 203,741.34
  4. Step 4: Simplify right side
    507,347.23x = 155,058,639,019.54
  5. Step 5: Solve for x
    x = 155,058,639,019.54/507,347.23
  6. Step 6: Final answer
    x = 305,626.27

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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.