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Finding the Fourth Proportional to 583,600.50, 805,430.61 and 342,086.00

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Solution

The fourth proportional to 583,600.50, 805,430.61 and 342,086.00 is: 472,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,600.50 : 805,430.61 = 342,086.00 : x
  2. Step 2: Convert to fraction form
    583,600.50/805,430.61 = 342,086.00/x
  3. Step 3: Cross multiply
    583,600.50x = 805,430.61 × 342,086.00
  4. Step 4: Simplify right side
    583,600.50x = 275,526,531,625.31
  5. Step 5: Solve for x
    x = 275,526,531,625.31/583,600.50
  6. Step 6: Final answer
    x = 472,114.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.