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Finding the Fourth Proportional to 605,788.80, 908,683.20 and 597,915.60

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Solution

The fourth proportional to 605,788.80, 908,683.20 and 597,915.60 is: 896,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,788.80 : 908,683.20 = 597,915.60 : x
  2. Step 2: Convert to fraction form
    605,788.80/908,683.20 = 597,915.60/x
  3. Step 3: Cross multiply
    605,788.80x = 908,683.20 × 597,915.60
  4. Step 4: Simplify right side
    605,788.80x = 543,315,860,737.92
  5. Step 5: Solve for x
    x = 543,315,860,737.92/605,788.80
  6. Step 6: Final answer
    x = 896,873.40

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1.5x scale

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.