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Finding the Fourth Proportional to 577,037.70, 865,556.55 and 150,572.70

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Solution

The fourth proportional to 577,037.70, 865,556.55 and 150,572.70 is: 225,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,037.70 : 865,556.55 = 150,572.70 : x
  2. Step 2: Convert to fraction form
    577,037.70/865,556.55 = 150,572.70/x
  3. Step 3: Cross multiply
    577,037.70x = 865,556.55 × 150,572.70
  4. Step 4: Simplify right side
    577,037.70x = 130,329,186,736.19
  5. Step 5: Solve for x
    x = 130,329,186,736.19/577,037.70
  6. Step 6: Final answer
    x = 225,859.05

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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.