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Finding the Fourth Proportional to 1,984,574.22, 2,977,845.41 and 786,470.01

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Solution

The fourth proportional to 1,984,574.22, 2,977,845.41 and 786,470.01 is: 1,180,095.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,574.22 : 2,977,845.41 = 786,470.01 : x
  2. Step 2: Convert to fraction form
    1,984,574.22/2,977,845.41 = 786,470.01/x
  3. Step 3: Cross multiply
    1,984,574.22x = 2,977,845.41 × 786,470.01
  4. Step 4: Simplify right side
    1,984,574.22x = 2,341,986,109,381.15
  5. Step 5: Solve for x
    x = 2,341,986,109,381.15/1,984,574.22
  6. Step 6: Final answer
    x = 1,180,095.00

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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.