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Finding the Fourth Proportional to 2,890,461.60, 4,331,026.80 and 2,414,570.40

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Solution

The fourth proportional to 2,890,461.60, 4,331,026.80 and 2,414,570.40 is: 3,617,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,461.60 : 4,331,026.80 = 2,414,570.40 : x
  2. Step 2: Convert to fraction form
    2,890,461.60/4,331,026.80 = 2,414,570.40/x
  3. Step 3: Cross multiply
    2,890,461.60x = 4,331,026.80 × 2,414,570.40
  4. Step 4: Simplify right side
    2,890,461.60x = 10,457,569,112,886.72
  5. Step 5: Solve for x
    x = 10,457,569,112,886.72/2,890,461.60
  6. Step 6: Final answer
    x = 3,617,958.15

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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.