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Finding the Fourth Proportional to 586,579.80, 879,869.70 and 254,803.80

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Solution

The fourth proportional to 586,579.80, 879,869.70 and 254,803.80 is: 382,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,579.80 : 879,869.70 = 254,803.80 : x
  2. Step 2: Convert to fraction form
    586,579.80/879,869.70 = 254,803.80/x
  3. Step 3: Cross multiply
    586,579.80x = 879,869.70 × 254,803.80
  4. Step 4: Simplify right side
    586,579.80x = 224,194,143,064.86
  5. Step 5: Solve for x
    x = 224,194,143,064.86/586,579.80
  6. Step 6: Final answer
    x = 382,205.70

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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.