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Finding the Fourth Proportional to 993,687.03, 1,490,555.04 and 362,600.64

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Solution

The fourth proportional to 993,687.03, 1,490,555.04 and 362,600.64 is: 543,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,687.03 : 1,490,555.04 = 362,600.64 : x
  2. Step 2: Convert to fraction form
    993,687.03/1,490,555.04 = 362,600.64/x
  3. Step 3: Cross multiply
    993,687.03x = 1,490,555.04 × 362,600.64
  4. Step 4: Simplify right side
    993,687.03x = 540,476,211,459.23
  5. Step 5: Solve for x
    x = 540,476,211,459.23/993,687.03
  6. Step 6: Final answer
    x = 543,909.90

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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.