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Finding the Fourth Proportional to 353,946.50, 488,450.46 and 192,802.88

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Solution

The fourth proportional to 353,946.50, 488,450.46 and 192,802.88 is: 266,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,946.50 : 488,450.46 = 192,802.88 : x
  2. Step 2: Convert to fraction form
    353,946.50/488,450.46 = 192,802.88/x
  3. Step 3: Cross multiply
    353,946.50x = 488,450.46 × 192,802.88
  4. Step 4: Simplify right side
    353,946.50x = 94,174,655,425.32
  5. Step 5: Solve for x
    x = 94,174,655,425.32/353,946.50
  6. Step 6: Final answer
    x = 266,070.31

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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.