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Finding the Fourth Proportional to 583,322.40, 874,875.60 and 162,511.20

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Solution

The fourth proportional to 583,322.40, 874,875.60 and 162,511.20 is: 243,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,322.40 : 874,875.60 = 162,511.20 : x
  2. Step 2: Convert to fraction form
    583,322.40/874,875.60 = 162,511.20/x
  3. Step 3: Cross multiply
    583,322.40x = 874,875.60 × 162,511.20
  4. Step 4: Simplify right side
    583,322.40x = 142,177,083,606.72
  5. Step 5: Solve for x
    x = 142,177,083,606.72/583,322.40
  6. Step 6: Final answer
    x = 243,736.71

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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.