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Finding the Fourth Proportional to 402,546.44, 554,900.04 and 341,065.70

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Solution

The fourth proportional to 402,546.44, 554,900.04 and 341,065.70 is: 470,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,546.44 : 554,900.04 = 341,065.70 : x
  2. Step 2: Convert to fraction form
    402,546.44/554,900.04 = 341,065.70/x
  3. Step 3: Cross multiply
    402,546.44x = 554,900.04 × 341,065.70
  4. Step 4: Simplify right side
    402,546.44x = 189,257,367,798.13
  5. Step 5: Solve for x
    x = 189,257,367,798.13/402,546.44
  6. Step 6: Final answer
    x = 470,150.40

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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.