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Finding the Fourth Proportional to 553,697.04, 830,563.50 and 174,621.44

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Solution

The fourth proportional to 553,697.04, 830,563.50 and 174,621.44 is: 261,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,697.04 : 830,563.50 = 174,621.44 : x
  2. Step 2: Convert to fraction form
    553,697.04/830,563.50 = 174,621.44/x
  3. Step 3: Cross multiply
    553,697.04x = 830,563.50 × 174,621.44
  4. Step 4: Simplify right side
    553,697.04x = 145,034,194,381.44
  5. Step 5: Solve for x
    x = 145,034,194,381.44/553,697.04
  6. Step 6: Final answer
    x = 261,937.82

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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.