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Finding the Fourth Proportional to 2,594,562.40, 3,890,000.40 and 1,175,298.40

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Solution

The fourth proportional to 2,594,562.40, 3,890,000.40 and 1,175,298.40 is: 1,762,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,594,562.40 : 3,890,000.40 = 1,175,298.40 : x
  2. Step 2: Convert to fraction form
    2,594,562.40/3,890,000.40 = 1,175,298.40/x
  3. Step 3: Cross multiply
    2,594,562.40x = 3,890,000.40 × 1,175,298.40
  4. Step 4: Simplify right side
    2,594,562.40x = 4,571,911,246,119.36
  5. Step 5: Solve for x
    x = 4,571,911,246,119.36/2,594,562.40
  6. Step 6: Final answer
    x = 1,762,112.66

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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.