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Finding the Fourth Proportional to 672,300,418.88, 927,774,579.84 and 363,251,074.88

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Solution

The fourth proportional to 672,300,418.88, 927,774,579.84 and 363,251,074.88 is: 501,286,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,300,418.88 : 927,774,579.84 = 363,251,074.88 : x
  2. Step 2: Convert to fraction form
    672,300,418.88/927,774,579.84 = 363,251,074.88/x
  3. Step 3: Cross multiply
    672,300,418.88x = 927,774,579.84 × 363,251,074.88
  4. Step 4: Simplify right side
    672,300,418.88x = 337,015,113,373,220,416
  5. Step 5: Solve for x
    x = 337,015,113,373,220,416/672,300,418.88
  6. Step 6: Final answer
    x = 501,286,484.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.