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Finding the Fourth Proportional to 615,325.10, 922,331.55 and 236,099.30

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Solution

The fourth proportional to 615,325.10, 922,331.55 and 236,099.30 is: 353,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,325.10 : 922,331.55 = 236,099.30 : x
  2. Step 2: Convert to fraction form
    615,325.10/922,331.55 = 236,099.30/x
  3. Step 3: Cross multiply
    615,325.10x = 922,331.55 × 236,099.30
  4. Step 4: Simplify right side
    615,325.10x = 217,761,833,322.92
  5. Step 5: Solve for x
    x = 217,761,833,322.92/615,325.10
  6. Step 6: Final answer
    x = 353,897.21

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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.