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Finding the Fourth Proportional to 583,472.20, 875,130.54 and 162,712.84

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Solution

The fourth proportional to 583,472.20, 875,130.54 and 162,712.84 is: 244,047.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,472.20 : 875,130.54 = 162,712.84 : x
  2. Step 2: Convert to fraction form
    583,472.20/875,130.54 = 162,712.84/x
  3. Step 3: Cross multiply
    583,472.20x = 875,130.54 × 162,712.84
  4. Step 4: Simplify right side
    583,472.20x = 142,394,975,534.13
  5. Step 5: Solve for x
    x = 142,394,975,534.13/583,472.20
  6. Step 6: Final answer
    x = 244,047.58

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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.