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Finding the Fourth Proportional to 443,365.39, 611,844.30 and 242,161.39

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Solution

The fourth proportional to 443,365.39, 611,844.30 and 242,161.39 is: 334,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,365.39 : 611,844.30 = 242,161.39 : x
  2. Step 2: Convert to fraction form
    443,365.39/611,844.30 = 242,161.39/x
  3. Step 3: Cross multiply
    443,365.39x = 611,844.30 × 242,161.39
  4. Step 4: Simplify right side
    443,365.39x = 148,165,066,151.58
  5. Step 5: Solve for x
    x = 148,165,066,151.58/443,365.39
  6. Step 6: Final answer
    x = 334,182.75

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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.