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Finding the Fourth Proportional to 1,191,546.07, 1,787,303.54 and 292,995.59

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Solution

The fourth proportional to 1,191,546.07, 1,787,303.54 and 292,995.59 is: 439,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,546.07 : 1,787,303.54 = 292,995.59 : x
  2. Step 2: Convert to fraction form
    1,191,546.07/1,787,303.54 = 292,995.59/x
  3. Step 3: Cross multiply
    1,191,546.07x = 1,787,303.54 × 292,995.59
  4. Step 4: Simplify right side
    1,191,546.07x = 523,672,061,165.80
  5. Step 5: Solve for x
    x = 523,672,061,165.80/1,191,546.07
  6. Step 6: Final answer
    x = 439,489.56

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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.