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Finding the Fourth Proportional to 597,719.20, 896,578.80 and 555,728.80

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Solution

The fourth proportional to 597,719.20, 896,578.80 and 555,728.80 is: 833,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,719.20 : 896,578.80 = 555,728.80 : x
  2. Step 2: Convert to fraction form
    597,719.20/896,578.80 = 555,728.80/x
  3. Step 3: Cross multiply
    597,719.20x = 896,578.80 × 555,728.80
  4. Step 4: Simplify right side
    597,719.20x = 498,254,660,629.44
  5. Step 5: Solve for x
    x = 498,254,660,629.44/597,719.20
  6. Step 6: Final answer
    x = 833,593.20

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Double scale
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Similar ratio
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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.