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Finding the Fourth Proportional to 403,488,007.95, 605,232,011.93 and 403,488,007.95

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Solution

The fourth proportional to 403,488,007.95, 605,232,011.93 and 403,488,007.95 is: 605,232,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,488,007.95 : 605,232,011.93 = 403,488,007.95 : x
  2. Step 2: Convert to fraction form
    403,488,007.95/605,232,011.93 = 403,488,007.95/x
  3. Step 3: Cross multiply
    403,488,007.95x = 605,232,011.93 × 403,488,007.95
  4. Step 4: Simplify right side
    403,488,007.95x = 244,203,858,839,188,864
  5. Step 5: Solve for x
    x = 244,203,858,839,188,864/403,488,007.95
  6. Step 6: Final answer
    x = 605,232,011.93

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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.