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Finding the Fourth Proportional to 571,798.07, 857,700.06 and 192,722.10

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Solution

The fourth proportional to 571,798.07, 857,700.06 and 192,722.10 is: 289,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,798.07 : 857,700.06 = 192,722.10 : x
  2. Step 2: Convert to fraction form
    571,798.07/857,700.06 = 192,722.10/x
  3. Step 3: Cross multiply
    571,798.07x = 857,700.06 × 192,722.10
  4. Step 4: Simplify right side
    571,798.07x = 165,297,756,733.33
  5. Step 5: Solve for x
    x = 165,297,756,733.33/571,798.07
  6. Step 6: Final answer
    x = 289,084.15

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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.