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Finding the Fourth Proportional to 344,692.63, 517,038.64 and 104,808.50

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Solution

The fourth proportional to 344,692.63, 517,038.64 and 104,808.50 is: 157,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,692.63 : 517,038.64 = 104,808.50 : x
  2. Step 2: Convert to fraction form
    344,692.63/517,038.64 = 104,808.50/x
  3. Step 3: Cross multiply
    344,692.63x = 517,038.64 × 104,808.50
  4. Step 4: Simplify right side
    344,692.63x = 54,190,043,981.67
  5. Step 5: Solve for x
    x = 54,190,043,981.67/344,692.63
  6. Step 6: Final answer
    x = 157,212.66

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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.