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Finding the Fourth Proportional to 233,166.60, 349,749.90 and 215,281.80

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Solution

The fourth proportional to 233,166.60, 349,749.90 and 215,281.80 is: 322,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,166.60 : 349,749.90 = 215,281.80 : x
  2. Step 2: Convert to fraction form
    233,166.60/349,749.90 = 215,281.80/x
  3. Step 3: Cross multiply
    233,166.60x = 349,749.90 × 215,281.80
  4. Step 4: Simplify right side
    233,166.60x = 75,294,788,021.82
  5. Step 5: Solve for x
    x = 75,294,788,021.82/233,166.60
  6. Step 6: Final answer
    x = 322,922.70

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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.