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Finding the Fourth Proportional to 5,223,679.84, 7,834,632.72 and 2,383,124.32

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Solution

The fourth proportional to 5,223,679.84, 7,834,632.72 and 2,383,124.32 is: 3,574,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223,679.84 : 7,834,632.72 = 2,383,124.32 : x
  2. Step 2: Convert to fraction form
    5,223,679.84/7,834,632.72 = 2,383,124.32/x
  3. Step 3: Cross multiply
    5,223,679.84x = 7,834,632.72 × 2,383,124.32
  4. Step 4: Simplify right side
    5,223,679.84x = 18,670,903,773,299.75
  5. Step 5: Solve for x
    x = 18,670,903,773,299.75/5,223,679.84
  6. Step 6: Final answer
    x = 3,574,281.80

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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.