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Finding the Fourth Proportional to 1,569,885.60, 2,354,828.40 and 622,768.80

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Solution

The fourth proportional to 1,569,885.60, 2,354,828.40 and 622,768.80 is: 934,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,885.60 : 2,354,828.40 = 622,768.80 : x
  2. Step 2: Convert to fraction form
    1,569,885.60/2,354,828.40 = 622,768.80/x
  3. Step 3: Cross multiply
    1,569,885.60x = 2,354,828.40 × 622,768.80
  4. Step 4: Simplify right side
    1,569,885.60x = 1,466,513,656,873.92
  5. Step 5: Solve for x
    x = 1,466,513,656,873.92/1,569,885.60
  6. Step 6: Final answer
    x = 934,153.20

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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.