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Finding the Fourth Proportional to 1,799,642.12, 2,483,505.66 and 983,849.24

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Solution

The fourth proportional to 1,799,642.12, 2,483,505.66 and 983,849.24 is: 1,357,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,642.12 : 2,483,505.66 = 983,849.24 : x
  2. Step 2: Convert to fraction form
    1,799,642.12/2,483,505.66 = 983,849.24/x
  3. Step 3: Cross multiply
    1,799,642.12x = 2,483,505.66 × 983,849.24
  4. Step 4: Simplify right side
    1,799,642.12x = 2,443,395,156,126.70
  5. Step 5: Solve for x
    x = 2,443,395,156,126.70/1,799,642.12
  6. Step 6: Final answer
    x = 1,357,711.70

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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.