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Finding the Fourth Proportional to 578,816.40, 867,533.40 and 241,856.40

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Solution

The fourth proportional to 578,816.40, 867,533.40 and 241,856.40 is: 362,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,816.40 : 867,533.40 = 241,856.40 : x
  2. Step 2: Convert to fraction form
    578,816.40/867,533.40 = 241,856.40/x
  3. Step 3: Cross multiply
    578,816.40x = 867,533.40 × 241,856.40
  4. Step 4: Simplify right side
    578,816.40x = 209,818,505,003.76
  5. Step 5: Solve for x
    x = 209,818,505,003.76/578,816.40
  6. Step 6: Final answer
    x = 362,495.78

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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.