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Finding the Fourth Proportional to 374,325,383.70, 561,488,075.55 and 374,325,383.70

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Solution

The fourth proportional to 374,325,383.70, 561,488,075.55 and 374,325,383.70 is: 561,488,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,325,383.70 : 561,488,075.55 = 374,325,383.70 : x
  2. Step 2: Convert to fraction form
    374,325,383.70/561,488,075.55 = 374,325,383.70/x
  3. Step 3: Cross multiply
    374,325,383.70x = 561,488,075.55 × 374,325,383.70
  4. Step 4: Simplify right side
    374,325,383.70x = 210,179,239,323,228,320
  5. Step 5: Solve for x
    x = 210,179,239,323,228,320/374,325,383.70
  6. Step 6: Final answer
    x = 561,488,075.55

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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.