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Finding the Fourth Proportional to 1,232,602.60, 1,848,903.90 and 1,043,645.80

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Solution

The fourth proportional to 1,232,602.60, 1,848,903.90 and 1,043,645.80 is: 1,565,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,602.60 : 1,848,903.90 = 1,043,645.80 : x
  2. Step 2: Convert to fraction form
    1,232,602.60/1,848,903.90 = 1,043,645.80/x
  3. Step 3: Cross multiply
    1,232,602.60x = 1,848,903.90 × 1,043,645.80
  4. Step 4: Simplify right side
    1,232,602.60x = 1,929,600,789,838.62
  5. Step 5: Solve for x
    x = 1,929,600,789,838.62/1,232,602.60
  6. Step 6: Final answer
    x = 1,565,468.70

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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.