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Finding the Fourth Proportional to 1,692,827.06, 2,539,952.88 and 1,053,665.37

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Solution

The fourth proportional to 1,692,827.06, 2,539,952.88 and 1,053,665.37 is: 1,580,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,827.06 : 2,539,952.88 = 1,053,665.37 : x
  2. Step 2: Convert to fraction form
    1,692,827.06/2,539,952.88 = 1,053,665.37/x
  3. Step 3: Cross multiply
    1,692,827.06x = 2,539,952.88 × 1,053,665.37
  4. Step 4: Simplify right side
    1,692,827.06x = 2,676,260,391,087.77
  5. Step 5: Solve for x
    x = 2,676,260,391,087.77/1,692,827.06
  6. Step 6: Final answer
    x = 1,580,941.41

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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.