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Finding the Fourth Proportional to 354,371,567.55, 531,557,351.33 and 354,371,567.55

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Solution

The fourth proportional to 354,371,567.55, 531,557,351.33 and 354,371,567.55 is: 531,557,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,371,567.55 : 531,557,351.33 = 354,371,567.55 : x
  2. Step 2: Convert to fraction form
    354,371,567.55/531,557,351.33 = 354,371,567.55/x
  3. Step 3: Cross multiply
    354,371,567.55x = 531,557,351.33 × 354,371,567.55
  4. Step 4: Simplify right side
    354,371,567.55x = 188,368,811,831,766,336
  5. Step 5: Solve for x
    x = 188,368,811,831,766,336/354,371,567.55
  6. Step 6: Final answer
    x = 531,557,351.33

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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.