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Finding the Fourth Proportional to 605,368,893.72, 908,053,351.16 and 145,307,063.04

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Solution

The fourth proportional to 605,368,893.72, 908,053,351.16 and 145,307,063.04 is: 217,960,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,368,893.72 : 908,053,351.16 = 145,307,063.04 : x
  2. Step 2: Convert to fraction form
    605,368,893.72/908,053,351.16 = 145,307,063.04/x
  3. Step 3: Cross multiply
    605,368,893.72x = 908,053,351.16 × 145,307,063.04
  4. Step 4: Simplify right side
    605,368,893.72x = 131,946,565,540,689,360
  5. Step 5: Solve for x
    x = 131,946,565,540,689,360/605,368,893.72
  6. Step 6: Final answer
    x = 217,960,597.10

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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.