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Finding the Fourth Proportional to 443,234,855.70, 664,852,283.55 and 295,281,681.30

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Solution

The fourth proportional to 443,234,855.70, 664,852,283.55 and 295,281,681.30 is: 442,922,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,234,855.70 : 664,852,283.55 = 295,281,681.30 : x
  2. Step 2: Convert to fraction form
    443,234,855.70/664,852,283.55 = 295,281,681.30/x
  3. Step 3: Cross multiply
    443,234,855.70x = 664,852,283.55 × 295,281,681.30
  4. Step 4: Simplify right side
    443,234,855.70x = 196,318,700,102,788,320
  5. Step 5: Solve for x
    x = 196,318,700,102,788,320/443,234,855.70
  6. Step 6: Final answer
    x = 442,922,521.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.