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Finding the Fourth Proportional to 573,724.84, 791,798.34 and 328,742.04

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Solution

The fourth proportional to 573,724.84, 791,798.34 and 328,742.04 is: 453,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,724.84 : 791,798.34 = 328,742.04 : x
  2. Step 2: Convert to fraction form
    573,724.84/791,798.34 = 328,742.04/x
  3. Step 3: Cross multiply
    573,724.84x = 791,798.34 × 328,742.04
  4. Step 4: Simplify right side
    573,724.84x = 260,297,401,560.21
  5. Step 5: Solve for x
    x = 260,297,401,560.21/573,724.84
  6. Step 6: Final answer
    x = 453,697.28

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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.