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Finding the Fourth Proportional to 349,087.86, 482,025.33 and 284,567.22

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Solution

The fourth proportional to 349,087.86, 482,025.33 and 284,567.22 is: 392,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,087.86 : 482,025.33 = 284,567.22 : x
  2. Step 2: Convert to fraction form
    349,087.86/482,025.33 = 284,567.22/x
  3. Step 3: Cross multiply
    349,087.86x = 482,025.33 × 284,567.22
  4. Step 4: Simplify right side
    349,087.86x = 137,168,608,127.68
  5. Step 5: Solve for x
    x = 137,168,608,127.68/349,087.86
  6. Step 6: Final answer
    x = 392,934.34

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1.5x scale

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.