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Finding the Fourth Proportional to 353,675, 488,071.49 and 192,531.22

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Solution

The fourth proportional to 353,675, 488,071.49 and 192,531.22 is: 265,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,675 : 488,071.49 = 192,531.22 : x
  2. Step 2: Convert to fraction form
    353,675/488,071.49 = 192,531.22/x
  3. Step 3: Cross multiply
    353,675x = 488,071.49 × 192,531.22
  4. Step 4: Simplify right side
    353,675x = 93,968,999,416.92
  5. Step 5: Solve for x
    x = 93,968,999,416.92/353,675
  6. Step 6: Final answer
    x = 265,693.08

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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.