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Finding the Fourth Proportional to 589,692.28, 813,775.58 and 335,043.80

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Solution

The fourth proportional to 589,692.28, 813,775.58 and 335,043.80 is: 462,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,692.28 : 813,775.58 = 335,043.80 : x
  2. Step 2: Convert to fraction form
    589,692.28/813,775.58 = 335,043.80/x
  3. Step 3: Cross multiply
    589,692.28x = 813,775.58 × 335,043.80
  4. Step 4: Simplify right side
    589,692.28x = 272,650,462,670.40
  5. Step 5: Solve for x
    x = 272,650,462,670.40/589,692.28
  6. Step 6: Final answer
    x = 462,360.58

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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.