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Finding the Fourth Proportional to 583,241.40, 874,754.10 and 162,430.20

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Solution

The fourth proportional to 583,241.40, 874,754.10 and 162,430.20 is: 243,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,241.40 : 874,754.10 = 162,430.20 : x
  2. Step 2: Convert to fraction form
    583,241.40/874,754.10 = 162,430.20/x
  3. Step 3: Cross multiply
    583,241.40x = 874,754.10 × 162,430.20
  4. Step 4: Simplify right side
    583,241.40x = 142,086,483,413.82
  5. Step 5: Solve for x
    x = 142,086,483,413.82/583,241.40
  6. Step 6: Final answer
    x = 243,615.22

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1.5x scale

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.