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Finding the Fourth Proportional to 590,490,692.70, 885,736,039.05 and 344,594,910.30

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Solution

The fourth proportional to 590,490,692.70, 885,736,039.05 and 344,594,910.30 is: 516,892,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,490,692.70 : 885,736,039.05 = 344,594,910.30 : x
  2. Step 2: Convert to fraction form
    590,490,692.70/885,736,039.05 = 344,594,910.30/x
  3. Step 3: Cross multiply
    590,490,692.70x = 885,736,039.05 × 344,594,910.30
  4. Step 4: Simplify right side
    590,490,692.70x = 305,220,130,925,912,064
  5. Step 5: Solve for x
    x = 305,220,130,925,912,064/590,490,692.70
  6. Step 6: Final answer
    x = 516,892,365.45

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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.