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Finding the Fourth Proportional to 922,697.64, 1,382,924.16 and 652,903.56

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Solution

The fourth proportional to 922,697.64, 1,382,924.16 and 652,903.56 is: 978,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,697.64 : 1,382,924.16 = 652,903.56 : x
  2. Step 2: Convert to fraction form
    922,697.64/1,382,924.16 = 652,903.56/x
  3. Step 3: Cross multiply
    922,697.64x = 1,382,924.16 × 652,903.56
  4. Step 4: Simplify right side
    922,697.64x = 902,916,107,274.01
  5. Step 5: Solve for x
    x = 902,916,107,274.01/922,697.64
  6. Step 6: Final answer
    x = 978,561.20

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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.