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Finding the Fourth Proportional to 443,310.84, 611,768.88 and 242,106.84

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Solution

The fourth proportional to 443,310.84, 611,768.88 and 242,106.84 is: 334,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,310.84 : 611,768.88 = 242,106.84 : x
  2. Step 2: Convert to fraction form
    443,310.84/611,768.88 = 242,106.84/x
  3. Step 3: Cross multiply
    443,310.84x = 611,768.88 × 242,106.84
  4. Step 4: Simplify right side
    443,310.84x = 148,113,430,347.14
  5. Step 5: Solve for x
    x = 148,113,430,347.14/443,310.84
  6. Step 6: Final answer
    x = 334,107.40

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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.