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Finding the Fourth Proportional to 3,243,562.95, 4,867,767.96 and 1,223,798.79

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Solution

The fourth proportional to 3,243,562.95, 4,867,767.96 and 1,223,798.79 is: 1,836,612.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243,562.95 : 4,867,767.96 = 1,223,798.79 : x
  2. Step 2: Convert to fraction form
    3,243,562.95/4,867,767.96 = 1,223,798.79/x
  3. Step 3: Cross multiply
    3,243,562.95x = 4,867,767.96 × 1,223,798.79
  4. Step 4: Simplify right side
    3,243,562.95x = 5,957,168,539,448.77
  5. Step 5: Solve for x
    x = 5,957,168,539,448.77/3,243,562.95
  6. Step 6: Final answer
    x = 1,836,612.59

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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.