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Finding the Fourth Proportional to 1,294,477.86, 1,941,715.11 and 347,848.60

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Solution

The fourth proportional to 1,294,477.86, 1,941,715.11 and 347,848.60 is: 521,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,477.86 : 1,941,715.11 = 347,848.60 : x
  2. Step 2: Convert to fraction form
    1,294,477.86/1,941,715.11 = 347,848.60/x
  3. Step 3: Cross multiply
    1,294,477.86x = 1,941,715.11 × 347,848.60
  4. Step 4: Simplify right side
    1,294,477.86x = 675,422,882,612.35
  5. Step 5: Solve for x
    x = 675,422,882,612.35/1,294,477.86
  6. Step 6: Final answer
    x = 521,772.45

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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.