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Finding the Fourth Proportional to 655,544,080.95, 983,316,121.43 and 655,544,080.95

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Solution

The fourth proportional to 655,544,080.95, 983,316,121.43 and 655,544,080.95 is: 983,316,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,544,080.95 : 983,316,121.43 = 655,544,080.95 : x
  2. Step 2: Convert to fraction form
    655,544,080.95/983,316,121.43 = 655,544,080.95/x
  3. Step 3: Cross multiply
    655,544,080.95x = 983,316,121.43 × 655,544,080.95
  4. Step 4: Simplify right side
    655,544,080.95x = 644,607,063,102,870,272
  5. Step 5: Solve for x
    x = 644,607,063,102,870,272/655,544,080.95
  6. Step 6: Final answer
    x = 983,316,121.43

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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.