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Finding the Fourth Proportional to 2,692,566.64, 3,715,483.80 and 1,485,264.88

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Solution

The fourth proportional to 2,692,566.64, 3,715,483.80 and 1,485,264.88 is: 2,049,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,566.64 : 3,715,483.80 = 1,485,264.88 : x
  2. Step 2: Convert to fraction form
    2,692,566.64/3,715,483.80 = 1,485,264.88/x
  3. Step 3: Cross multiply
    2,692,566.64x = 3,715,483.80 × 1,485,264.88
  4. Step 4: Simplify right side
    2,692,566.64x = 5,518,477,600,348.94
  5. Step 5: Solve for x
    x = 5,518,477,600,348.94/2,692,566.64
  6. Step 6: Final answer
    x = 2,049,523.13

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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.