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Finding the Fourth Proportional to 2,064,512.05, 2,849,337.05 and 1,485,651.43

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Solution

The fourth proportional to 2,064,512.05, 2,849,337.05 and 1,485,651.43 is: 2,050,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064,512.05 : 2,849,337.05 = 1,485,651.43 : x
  2. Step 2: Convert to fraction form
    2,064,512.05/2,849,337.05 = 1,485,651.43/x
  3. Step 3: Cross multiply
    2,064,512.05x = 2,849,337.05 × 1,485,651.43
  4. Step 4: Simplify right side
    2,064,512.05x = 4,233,121,651,347.16
  5. Step 5: Solve for x
    x = 4,233,121,651,347.16/2,064,512.05
  6. Step 6: Final answer
    x = 2,050,422.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.