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Finding the Fourth Proportional to 347,292.60, 521,111.70 and 197,647.80

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Solution

The fourth proportional to 347,292.60, 521,111.70 and 197,647.80 is: 296,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,292.60 : 521,111.70 = 197,647.80 : x
  2. Step 2: Convert to fraction form
    347,292.60/521,111.70 = 197,647.80/x
  3. Step 3: Cross multiply
    347,292.60x = 521,111.70 × 197,647.80
  4. Step 4: Simplify right side
    347,292.60x = 102,996,581,059.26
  5. Step 5: Solve for x
    x = 102,996,581,059.26/347,292.60
  6. Step 6: Final answer
    x = 296,570.04

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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.