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Finding the Fourth Proportional to 1,684,834.68, 2,525,734.74 and 619,648.92

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Solution

The fourth proportional to 1,684,834.68, 2,525,734.74 and 619,648.92 is: 928,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,834.68 : 2,525,734.74 = 619,648.92 : x
  2. Step 2: Convert to fraction form
    1,684,834.68/2,525,734.74 = 619,648.92/x
  3. Step 3: Cross multiply
    1,684,834.68x = 2,525,734.74 × 619,648.92
  4. Step 4: Simplify right side
    1,684,834.68x = 1,565,068,803,847.48
  5. Step 5: Solve for x
    x = 1,565,068,803,847.48/1,684,834.68
  6. Step 6: Final answer
    x = 928,915.35

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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.