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Finding the Fourth Proportional to 761,149,380.30, 1,063,313,307.30 and 761,149,380.30

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Solution

The fourth proportional to 761,149,380.30, 1,063,313,307.30 and 761,149,380.30 is: 1,063,313,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,149,380.30 : 1,063,313,307.30 = 761,149,380.30 : x
  2. Step 2: Convert to fraction form
    761,149,380.30/1,063,313,307.30 = 761,149,380.30/x
  3. Step 3: Cross multiply
    761,149,380.30x = 1,063,313,307.30 × 761,149,380.30
  4. Step 4: Simplify right side
    761,149,380.30x = 809,340,264,916,138,368
  5. Step 5: Solve for x
    x = 809,340,264,916,138,368/761,149,380.30
  6. Step 6: Final answer
    x = 1,063,313,307.30

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1.5x scale

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.