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Finding the Fourth Proportional to 590,341,701.80, 885,890,466.30 and 344,697,861.80

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Solution

The fourth proportional to 590,341,701.80, 885,890,466.30 and 344,697,861.80 is: 517,267,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,341,701.80 : 885,890,466.30 = 344,697,861.80 : x
  2. Step 2: Convert to fraction form
    590,341,701.80/885,890,466.30 = 344,697,861.80/x
  3. Step 3: Cross multiply
    590,341,701.80x = 885,890,466.30 × 344,697,861.80
  4. Step 4: Simplify right side
    590,341,701.80x = 305,364,549,522,614,976
  5. Step 5: Solve for x
    x = 305,364,549,522,614,976/590,341,701.80
  6. Step 6: Final answer
    x = 517,267,454.75

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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.