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Finding the Fourth Proportional to 922,382.59, 1,272,833.16 and 535,168.01

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Solution

The fourth proportional to 922,382.59, 1,272,833.16 and 535,168.01 is: 738,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,382.59 : 1,272,833.16 = 535,168.01 : x
  2. Step 2: Convert to fraction form
    922,382.59/1,272,833.16 = 535,168.01/x
  3. Step 3: Cross multiply
    922,382.59x = 1,272,833.16 × 535,168.01
  4. Step 4: Simplify right side
    922,382.59x = 681,179,589,299.21
  5. Step 5: Solve for x
    x = 681,179,589,299.21/922,382.59
  6. Step 6: Final answer
    x = 738,500.05

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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.