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Finding the Fourth Proportional to 770,730.80, 1,156,096.20 and 770,730.80

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Solution

The fourth proportional to 770,730.80, 1,156,096.20 and 770,730.80 is: 1,156,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,730.80 : 1,156,096.20 = 770,730.80 : x
  2. Step 2: Convert to fraction form
    770,730.80/1,156,096.20 = 770,730.80/x
  3. Step 3: Cross multiply
    770,730.80x = 1,156,096.20 × 770,730.80
  4. Step 4: Simplify right side
    770,730.80x = 891,038,949,102.96
  5. Step 5: Solve for x
    x = 891,038,949,102.96/770,730.80
  6. Step 6: Final answer
    x = 1,156,096.20

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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.