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Finding the Fourth Proportional to 592,692.50, 817,915.71 and 320,762.36

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Solution

The fourth proportional to 592,692.50, 817,915.71 and 320,762.36 is: 442,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,692.50 : 817,915.71 = 320,762.36 : x
  2. Step 2: Convert to fraction form
    592,692.50/817,915.71 = 320,762.36/x
  3. Step 3: Cross multiply
    592,692.50x = 817,915.71 × 320,762.36
  4. Step 4: Simplify right side
    592,692.50x = 262,356,576,668.32
  5. Step 5: Solve for x
    x = 262,356,576,668.32/592,692.50
  6. Step 6: Final answer
    x = 442,652.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.