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Finding the Fourth Proportional to 1,181,598, 1,630,596.96 and 645,054

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Solution

The fourth proportional to 1,181,598, 1,630,596.96 and 645,054 is: 890,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,598 : 1,630,596.96 = 645,054 : x
  2. Step 2: Convert to fraction form
    1,181,598/1,630,596.96 = 645,054/x
  3. Step 3: Cross multiply
    1,181,598x = 1,630,596.96 × 645,054
  4. Step 4: Simplify right side
    1,181,598x = 1,051,823,091,435.84
  5. Step 5: Solve for x
    x = 1,051,823,091,435.84/1,181,598
  6. Step 6: Final answer
    x = 890,170.00

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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.