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Finding the Fourth Proportional to 4,602,790.86, 6,904,536.20 and 1,408,157.34

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Solution

The fourth proportional to 4,602,790.86, 6,904,536.20 and 1,408,157.34 is: 2,112,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,602,790.86 : 6,904,536.20 = 1,408,157.34 : x
  2. Step 2: Convert to fraction form
    4,602,790.86/6,904,536.20 = 1,408,157.34/x
  3. Step 3: Cross multiply
    4,602,790.86x = 6,904,536.20 × 1,408,157.34
  4. Step 4: Simplify right side
    4,602,790.86x = 9,722,673,329,325.71
  5. Step 5: Solve for x
    x = 9,722,673,329,325.71/4,602,790.86
  6. Step 6: Final answer
    x = 2,112,343.06

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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.