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Finding the Fourth Proportional to 496,777.32, 685,626.51 and 292,763.01

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Solution

The fourth proportional to 496,777.32, 685,626.51 and 292,763.01 is: 404,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,777.32 : 685,626.51 = 292,763.01 : x
  2. Step 2: Convert to fraction form
    496,777.32/685,626.51 = 292,763.01/x
  3. Step 3: Cross multiply
    496,777.32x = 685,626.51 × 292,763.01
  4. Step 4: Simplify right side
    496,777.32x = 200,726,080,803.40
  5. Step 5: Solve for x
    x = 200,726,080,803.40/496,777.32
  6. Step 6: Final answer
    x = 404,056.45

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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.