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Finding the Fourth Proportional to 637,190.82, 879,222.56 and 365,206.32

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Solution

The fourth proportional to 637,190.82, 879,222.56 and 365,206.32 is: 503,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,190.82 : 879,222.56 = 365,206.32 : x
  2. Step 2: Convert to fraction form
    637,190.82/879,222.56 = 365,206.32/x
  3. Step 3: Cross multiply
    637,190.82x = 879,222.56 × 365,206.32
  4. Step 4: Simplify right side
    637,190.82x = 321,097,635,598.58
  5. Step 5: Solve for x
    x = 321,097,635,598.58/637,190.82
  6. Step 6: Final answer
    x = 503,926.96

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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.