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Finding the Fourth Proportional to 583,412.40, 875,010.60 and 162,601.20

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Solution

The fourth proportional to 583,412.40, 875,010.60 and 162,601.20 is: 243,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,412.40 : 875,010.60 = 162,601.20 : x
  2. Step 2: Convert to fraction form
    583,412.40/875,010.60 = 162,601.20/x
  3. Step 3: Cross multiply
    583,412.40x = 875,010.60 × 162,601.20
  4. Step 4: Simplify right side
    583,412.40x = 142,277,773,572.72
  5. Step 5: Solve for x
    x = 142,277,773,572.72/583,412.40
  6. Step 6: Final answer
    x = 243,871.70

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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.