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Finding the Fourth Proportional to 459,004.40, 688,506.60 and 352,716.20

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Solution

The fourth proportional to 459,004.40, 688,506.60 and 352,716.20 is: 529,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,004.40 : 688,506.60 = 352,716.20 : x
  2. Step 2: Convert to fraction form
    459,004.40/688,506.60 = 352,716.20/x
  3. Step 3: Cross multiply
    459,004.40x = 688,506.60 × 352,716.20
  4. Step 4: Simplify right side
    459,004.40x = 242,847,431,626.92
  5. Step 5: Solve for x
    x = 242,847,431,626.92/459,004.40
  6. Step 6: Final answer
    x = 529,074.30

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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.