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Finding the Fourth Proportional to 342,536.88, 513,805.32 and 93,218.88

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Solution

The fourth proportional to 342,536.88, 513,805.32 and 93,218.88 is: 139,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,536.88 : 513,805.32 = 93,218.88 : x
  2. Step 2: Convert to fraction form
    342,536.88/513,805.32 = 93,218.88/x
  3. Step 3: Cross multiply
    342,536.88x = 513,805.32 × 93,218.88
  4. Step 4: Simplify right side
    342,536.88x = 47,896,356,468.44
  5. Step 5: Solve for x
    x = 47,896,356,468.44/342,536.88
  6. Step 6: Final answer
    x = 139,828.32

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1.5x scale

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.