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Finding the Fourth Proportional to 376,704,281.20, 528,595,317.20 and 376,704,281.20

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Solution

The fourth proportional to 376,704,281.20, 528,595,317.20 and 376,704,281.20 is: 528,595,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,704,281.20 : 528,595,317.20 = 376,704,281.20 : x
  2. Step 2: Convert to fraction form
    376,704,281.20/528,595,317.20 = 376,704,281.20/x
  3. Step 3: Cross multiply
    376,704,281.20x = 528,595,317.20 × 376,704,281.20
  4. Step 4: Simplify right side
    376,704,281.20x = 199,124,119,011,512,000
  5. Step 5: Solve for x
    x = 199,124,119,011,512,000/376,704,281.20
  6. Step 6: Final answer
    x = 528,595,317.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.