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Finding the Fourth Proportional to 4,932,388.94, 7,398,416.64 and 1,737,431.62

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Solution

The fourth proportional to 4,932,388.94, 7,398,416.64 and 1,737,431.62 is: 2,606,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932,388.94 : 7,398,416.64 = 1,737,431.62 : x
  2. Step 2: Convert to fraction form
    4,932,388.94/7,398,416.64 = 1,737,431.62/x
  3. Step 3: Cross multiply
    4,932,388.94x = 7,398,416.64 × 1,737,431.62
  4. Step 4: Simplify right side
    4,932,388.94x = 12,854,242,989,774.11
  5. Step 5: Solve for x
    x = 12,854,242,989,774.11/4,932,388.94
  6. Step 6: Final answer
    x = 2,606,088.68

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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.