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Finding the Fourth Proportional to 583,644.24, 805,608.84 and 342,005.34

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Solution

The fourth proportional to 583,644.24, 805,608.84 and 342,005.34 is: 472,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,644.24 : 805,608.84 = 342,005.34 : x
  2. Step 2: Convert to fraction form
    583,644.24/805,608.84 = 342,005.34/x
  3. Step 3: Cross multiply
    583,644.24x = 805,608.84 × 342,005.34
  4. Step 4: Simplify right side
    583,644.24x = 275,522,525,231.21
  5. Step 5: Solve for x
    x = 275,522,525,231.21/583,644.24
  6. Step 6: Final answer
    x = 472,072.72

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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.