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Finding the Fourth Proportional to 452,710,367.70, 679,065,551.55 and 435,491,679.30

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Solution

The fourth proportional to 452,710,367.70, 679,065,551.55 and 435,491,679.30 is: 653,237,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,710,367.70 : 679,065,551.55 = 435,491,679.30 : x
  2. Step 2: Convert to fraction form
    452,710,367.70/679,065,551.55 = 435,491,679.30/x
  3. Step 3: Cross multiply
    452,710,367.70x = 679,065,551.55 × 435,491,679.30
  4. Step 4: Simplify right side
    452,710,367.70x = 295,727,397,399,290,176
  5. Step 5: Solve for x
    x = 295,727,397,399,290,176/452,710,367.70
  6. Step 6: Final answer
    x = 653,237,518.95

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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.