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Finding the Fourth Proportional to 254,313,605.80, 381,470,408.70 and 254,313,605.80

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Solution

The fourth proportional to 254,313,605.80, 381,470,408.70 and 254,313,605.80 is: 381,470,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,313,605.80 : 381,470,408.70 = 254,313,605.80 : x
  2. Step 2: Convert to fraction form
    254,313,605.80/381,470,408.70 = 254,313,605.80/x
  3. Step 3: Cross multiply
    254,313,605.80x = 381,470,408.70 × 254,313,605.80
  4. Step 4: Simplify right side
    254,313,605.80x = 97,013,115,142,496,688
  5. Step 5: Solve for x
    x = 97,013,115,142,496,688/254,313,605.80
  6. Step 6: Final answer
    x = 381,470,408.70

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1.5x scale

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.