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Finding the Fourth Proportional to 571,006.82, 787,632.62 and 367,323

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Solution

The fourth proportional to 571,006.82, 787,632.62 and 367,323 is: 506,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,006.82 : 787,632.62 = 367,323 : x
  2. Step 2: Convert to fraction form
    571,006.82/787,632.62 = 367,323/x
  3. Step 3: Cross multiply
    571,006.82x = 787,632.62 × 367,323
  4. Step 4: Simplify right side
    571,006.82x = 289,315,575,039.65
  5. Step 5: Solve for x
    x = 289,315,575,039.65/571,006.82
  6. Step 6: Final answer
    x = 506,676.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.