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Finding the Fourth Proportional to 3,604,261.05, 5,406,391.58 and 1,079,916.30

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Solution

The fourth proportional to 3,604,261.05, 5,406,391.58 and 1,079,916.30 is: 1,619,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604,261.05 : 5,406,391.58 = 1,079,916.30 : x
  2. Step 2: Convert to fraction form
    3,604,261.05/5,406,391.58 = 1,079,916.30/x
  3. Step 3: Cross multiply
    3,604,261.05x = 5,406,391.58 × 1,079,916.30
  4. Step 4: Simplify right side
    3,604,261.05x = 5,838,450,386,025.17
  5. Step 5: Solve for x
    x = 5,838,450,386,025.17/3,604,261.05
  6. Step 6: Final answer
    x = 1,619,874.45

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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.