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Finding the Fourth Proportional to 873,622.28, 1,310,598.84 and 341,109.64

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Solution

The fourth proportional to 873,622.28, 1,310,598.84 and 341,109.64 is: 511,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,622.28 : 1,310,598.84 = 341,109.64 : x
  2. Step 2: Convert to fraction form
    873,622.28/1,310,598.84 = 341,109.64/x
  3. Step 3: Cross multiply
    873,622.28x = 1,310,598.84 × 341,109.64
  4. Step 4: Simplify right side
    873,622.28x = 447,057,898,496.82
  5. Step 5: Solve for x
    x = 447,057,898,496.82/873,622.28
  6. Step 6: Final answer
    x = 511,729.05

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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.