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Finding the Fourth Proportional to 583,326.40, 874,881.60 and 162,515.20

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Solution

The fourth proportional to 583,326.40, 874,881.60 and 162,515.20 is: 243,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,326.40 : 874,881.60 = 162,515.20 : x
  2. Step 2: Convert to fraction form
    583,326.40/874,881.60 = 162,515.20/x
  3. Step 3: Cross multiply
    583,326.40x = 874,881.60 × 162,515.20
  4. Step 4: Simplify right side
    583,326.40x = 142,181,558,200.32
  5. Step 5: Solve for x
    x = 142,181,558,200.32/583,326.40
  6. Step 6: Final answer
    x = 243,742.71

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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.