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Finding the Fourth Proportional to 614,663.13, 920,256.02 and 325,816.62

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Solution

The fourth proportional to 614,663.13, 920,256.02 and 325,816.62 is: 487,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,663.13 : 920,256.02 = 325,816.62 : x
  2. Step 2: Convert to fraction form
    614,663.13/920,256.02 = 325,816.62/x
  3. Step 3: Cross multiply
    614,663.13x = 920,256.02 × 325,816.62
  4. Step 4: Simplify right side
    614,663.13x = 299,834,705,971.05
  5. Step 5: Solve for x
    x = 299,834,705,971.05/614,663.13
  6. Step 6: Final answer
    x = 487,803.30

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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.