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Finding the Fourth Proportional to 2,934,070.16, 4,397,999.00 and 986,945.11

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Solution

The fourth proportional to 2,934,070.16, 4,397,999.00 and 986,945.11 is: 1,479,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,070.16 : 4,397,999.00 = 986,945.11 : x
  2. Step 2: Convert to fraction form
    2,934,070.16/4,397,999.00 = 986,945.11/x
  3. Step 3: Cross multiply
    2,934,070.16x = 4,397,999.00 × 986,945.11
  4. Step 4: Simplify right side
    2,934,070.16x = 4,340,583,594,606.21
  5. Step 5: Solve for x
    x = 4,340,583,594,606.21/2,934,070.16
  6. Step 6: Final answer
    x = 1,479,372.80

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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.