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Finding the Fourth Proportional to 479,692.98, 719,991.54 and 352,946.79

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Solution

The fourth proportional to 479,692.98, 719,991.54 and 352,946.79 is: 529,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,692.98 : 719,991.54 = 352,946.79 : x
  2. Step 2: Convert to fraction form
    479,692.98/719,991.54 = 352,946.79/x
  3. Step 3: Cross multiply
    479,692.98x = 719,991.54 × 352,946.79
  4. Step 4: Simplify right side
    479,692.98x = 254,118,702,870.16
  5. Step 5: Solve for x
    x = 254,118,702,870.16/479,692.98
  6. Step 6: Final answer
    x = 529,752.81

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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.