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Finding the Fourth Proportional to 514,559.69, 771,914.24 and 159,602.27

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Solution

The fourth proportional to 514,559.69, 771,914.24 and 159,602.27 is: 239,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,559.69 : 771,914.24 = 159,602.27 : x
  2. Step 2: Convert to fraction form
    514,559.69/771,914.24 = 159,602.27/x
  3. Step 3: Cross multiply
    514,559.69x = 771,914.24 × 159,602.27
  4. Step 4: Simplify right side
    514,559.69x = 123,199,264,151.31
  5. Step 5: Solve for x
    x = 123,199,264,151.31/514,559.69
  6. Step 6: Final answer
    x = 239,426.57

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1.5x scale

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.