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Finding the Fourth Proportional to 3,068,659.80, 4,602,822.78 and 938,743.89

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Solution

The fourth proportional to 3,068,659.80, 4,602,822.78 and 938,743.89 is: 1,408,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068,659.80 : 4,602,822.78 = 938,743.89 : x
  2. Step 2: Convert to fraction form
    3,068,659.80/4,602,822.78 = 938,743.89/x
  3. Step 3: Cross multiply
    3,068,659.80x = 4,602,822.78 × 938,743.89
  4. Step 4: Simplify right side
    3,068,659.80x = 4,320,871,761,477.81
  5. Step 5: Solve for x
    x = 4,320,871,761,477.81/3,068,659.80
  6. Step 6: Final answer
    x = 1,408,064.77

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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.