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Finding the Fourth Proportional to 370,975,213.80, 556,462,820.70 and 370,975,213.80

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Solution

The fourth proportional to 370,975,213.80, 556,462,820.70 and 370,975,213.80 is: 556,462,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,975,213.80 : 556,462,820.70 = 370,975,213.80 : x
  2. Step 2: Convert to fraction form
    370,975,213.80/556,462,820.70 = 370,975,213.80/x
  3. Step 3: Cross multiply
    370,975,213.80x = 556,462,820.70 × 370,975,213.80
  4. Step 4: Simplify right side
    370,975,213.80x = 206,433,913,880,933,600
  5. Step 5: Solve for x
    x = 206,433,913,880,933,600/370,975,213.80
  6. Step 6: Final answer
    x = 556,462,820.70

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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.