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Finding the Fourth Proportional to 1,986,870.96, 2,980,809.44 and 566,932.08

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Solution

The fourth proportional to 1,986,870.96, 2,980,809.44 and 566,932.08 is: 850,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,870.96 : 2,980,809.44 = 566,932.08 : x
  2. Step 2: Convert to fraction form
    1,986,870.96/2,980,809.44 = 566,932.08/x
  3. Step 3: Cross multiply
    1,986,870.96x = 2,980,809.44 × 566,932.08
  4. Step 4: Simplify right side
    1,986,870.96x = 1,689,916,495,902.84
  5. Step 5: Solve for x
    x = 1,689,916,495,902.84/1,986,870.96
  6. Step 6: Final answer
    x = 850,541.65

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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.