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Finding the Fourth Proportional to 443,441.58, 611,948.43 and 242,237.58

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Solution

The fourth proportional to 443,441.58, 611,948.43 and 242,237.58 is: 334,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,441.58 : 611,948.43 = 242,237.58 : x
  2. Step 2: Convert to fraction form
    443,441.58/611,948.43 = 242,237.58/x
  3. Step 3: Cross multiply
    443,441.58x = 611,948.43 × 242,237.58
  4. Step 4: Simplify right side
    443,441.58x = 148,236,906,768.00
  5. Step 5: Solve for x
    x = 148,236,906,768.00/443,441.58
  6. Step 6: Final answer
    x = 334,287.34

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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.