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Finding the Fourth Proportional to 556,186.33, 833,636.89 and 256,037.59

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Solution

The fourth proportional to 556,186.33, 833,636.89 and 256,037.59 is: 383,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,186.33 : 833,636.89 = 256,037.59 : x
  2. Step 2: Convert to fraction form
    556,186.33/833,636.89 = 256,037.59/x
  3. Step 3: Cross multiply
    556,186.33x = 833,636.89 × 256,037.59
  4. Step 4: Simplify right side
    556,186.33x = 213,442,380,250.70
  5. Step 5: Solve for x
    x = 213,442,380,250.70/556,186.33
  6. Step 6: Final answer
    x = 383,760.57

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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.