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Finding the Fourth Proportional to 571,234.34, 855,800.55 and 357,962.51

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Solution

The fourth proportional to 571,234.34, 855,800.55 and 357,962.51 is: 536,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,234.34 : 855,800.55 = 357,962.51 : x
  2. Step 2: Convert to fraction form
    571,234.34/855,800.55 = 357,962.51/x
  3. Step 3: Cross multiply
    571,234.34x = 855,800.55 × 357,962.51
  4. Step 4: Simplify right side
    571,234.34x = 306,344,512,937.38
  5. Step 5: Solve for x
    x = 306,344,512,937.38/571,234.34
  6. Step 6: Final answer
    x = 536,285.18

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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.