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Finding the Fourth Proportional to 431,465.40, 595,373.04 and 250,139.52

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Solution

The fourth proportional to 431,465.40, 595,373.04 and 250,139.52 is: 345,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,465.40 : 595,373.04 = 250,139.52 : x
  2. Step 2: Convert to fraction form
    431,465.40/595,373.04 = 250,139.52/x
  3. Step 3: Cross multiply
    431,465.40x = 595,373.04 × 250,139.52
  4. Step 4: Simplify right side
    431,465.40x = 148,926,326,446.54
  5. Step 5: Solve for x
    x = 148,926,326,446.54/431,465.40
  6. Step 6: Final answer
    x = 345,164.01

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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.