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Finding the Fourth Proportional to 443,677.96, 612,266.58 and 242,475.40

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Solution

The fourth proportional to 443,677.96, 612,266.58 and 242,475.40 is: 334,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,677.96 : 612,266.58 = 242,475.40 : x
  2. Step 2: Convert to fraction form
    443,677.96/612,266.58 = 242,475.40/x
  3. Step 3: Cross multiply
    443,677.96x = 612,266.58 × 242,475.40
  4. Step 4: Simplify right side
    443,677.96x = 148,459,583,892.13
  5. Step 5: Solve for x
    x = 148,459,583,892.13/443,677.96
  6. Step 6: Final answer
    x = 334,611.13

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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.