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Finding the Fourth Proportional to 3,114,612.15, 4,671,918.23 and 3,114,612.15

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Solution

The fourth proportional to 3,114,612.15, 4,671,918.23 and 3,114,612.15 is: 4,671,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,612.15 : 4,671,918.23 = 3,114,612.15 : x
  2. Step 2: Convert to fraction form
    3,114,612.15/4,671,918.23 = 3,114,612.15/x
  3. Step 3: Cross multiply
    3,114,612.15x = 4,671,918.23 × 3,114,612.15
  4. Step 4: Simplify right side
    3,114,612.15x = 14,551,213,267,391.43
  5. Step 5: Solve for x
    x = 14,551,213,267,391.43/3,114,612.15
  6. Step 6: Final answer
    x = 4,671,918.23

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Double scale
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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.