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Finding the Fourth Proportional to 1,929,559.54, 2,662,955.58 and 1,070,396.50

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Solution

The fourth proportional to 1,929,559.54, 2,662,955.58 and 1,070,396.50 is: 1,477,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,559.54 : 2,662,955.58 = 1,070,396.50 : x
  2. Step 2: Convert to fraction form
    1,929,559.54/2,662,955.58 = 1,070,396.50/x
  3. Step 3: Cross multiply
    1,929,559.54x = 2,662,955.58 × 1,070,396.50
  4. Step 4: Simplify right side
    1,929,559.54x = 2,850,418,332,487.47
  5. Step 5: Solve for x
    x = 2,850,418,332,487.47/1,929,559.54
  6. Step 6: Final answer
    x = 1,477,237.82

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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.