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Finding the Fourth Proportional to 555,037.40, 832,556.10 and 404,571.80

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Solution

The fourth proportional to 555,037.40, 832,556.10 and 404,571.80 is: 606,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,037.40 : 832,556.10 = 404,571.80 : x
  2. Step 2: Convert to fraction form
    555,037.40/832,556.10 = 404,571.80/x
  3. Step 3: Cross multiply
    555,037.40x = 832,556.10 × 404,571.80
  4. Step 4: Simplify right side
    555,037.40x = 336,828,719,977.98
  5. Step 5: Solve for x
    x = 336,828,719,977.98/555,037.40
  6. Step 6: Final answer
    x = 606,857.70

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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.