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Finding the Fourth Proportional to 655,533,080.20, 983,299,620.30 and 655,533,080.20

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Solution

The fourth proportional to 655,533,080.20, 983,299,620.30 and 655,533,080.20 is: 983,299,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,533,080.20 : 983,299,620.30 = 655,533,080.20 : x
  2. Step 2: Convert to fraction form
    655,533,080.20/983,299,620.30 = 655,533,080.20/x
  3. Step 3: Cross multiply
    655,533,080.20x = 983,299,620.30 × 655,533,080.20
  4. Step 4: Simplify right side
    655,533,080.20x = 644,585,428,854,749,440
  5. Step 5: Solve for x
    x = 644,585,428,854,749,440/655,533,080.20
  6. Step 6: Final answer
    x = 983,299,620.30

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1.5x scale

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.