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Finding the Fourth Proportional to 3,281,486.90, 4,922,230.35 and 3,281,486.90

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Solution

The fourth proportional to 3,281,486.90, 4,922,230.35 and 3,281,486.90 is: 4,922,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,486.90 : 4,922,230.35 = 3,281,486.90 : x
  2. Step 2: Convert to fraction form
    3,281,486.90/4,922,230.35 = 3,281,486.90/x
  3. Step 3: Cross multiply
    3,281,486.90x = 4,922,230.35 × 3,281,486.90
  4. Step 4: Simplify right side
    3,281,486.90x = 16,152,234,412,307.41
  5. Step 5: Solve for x
    x = 16,152,234,412,307.41/3,281,486.90
  6. Step 6: Final answer
    x = 4,922,230.35

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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.