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Finding the Fourth Proportional to 443,677.14, 612,274.41 and 242,473.14

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Solution

The fourth proportional to 443,677.14, 612,274.41 and 242,473.14 is: 334,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,677.14 : 612,274.41 = 242,473.14 : x
  2. Step 2: Convert to fraction form
    443,677.14/612,274.41 = 242,473.14/x
  3. Step 3: Cross multiply
    443,677.14x = 612,274.41 × 242,473.14
  4. Step 4: Simplify right side
    443,677.14x = 148,460,098,734.35
  5. Step 5: Solve for x
    x = 148,460,098,734.35/443,677.14
  6. Step 6: Final answer
    x = 334,612.91

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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.