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Finding the Fourth Proportional to 215,683,696.30, 323,525,544.45 and 215,683,696.30

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Solution

The fourth proportional to 215,683,696.30, 323,525,544.45 and 215,683,696.30 is: 323,525,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,683,696.30 : 323,525,544.45 = 215,683,696.30 : x
  2. Step 2: Convert to fraction form
    215,683,696.30/323,525,544.45 = 215,683,696.30/x
  3. Step 3: Cross multiply
    215,683,696.30x = 323,525,544.45 × 215,683,696.30
  4. Step 4: Simplify right side
    215,683,696.30x = 69,779,185,274,445,952
  5. Step 5: Solve for x
    x = 69,779,185,274,445,952/215,683,696.30
  6. Step 6: Final answer
    x = 323,525,544.45

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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.