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Finding the Fourth Proportional to 571,230.84, 855,795.30 and 357,959.01

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Solution

The fourth proportional to 571,230.84, 855,795.30 and 357,959.01 is: 536,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,230.84 : 855,795.30 = 357,959.01 : x
  2. Step 2: Convert to fraction form
    571,230.84/855,795.30 = 357,959.01/x
  3. Step 3: Cross multiply
    571,230.84x = 855,795.30 × 357,959.01
  4. Step 4: Simplify right side
    571,230.84x = 306,339,638,350.65
  5. Step 5: Solve for x
    x = 306,339,638,350.65/571,230.84
  6. Step 6: Final answer
    x = 536,279.94

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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.