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Finding the Fourth Proportional to 1,772,985, 2,659,477.50 and 443,289

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Solution

The fourth proportional to 1,772,985, 2,659,477.50 and 443,289 is: 664,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,985 : 2,659,477.50 = 443,289 : x
  2. Step 2: Convert to fraction form
    1,772,985/2,659,477.50 = 443,289/x
  3. Step 3: Cross multiply
    1,772,985x = 2,659,477.50 × 443,289
  4. Step 4: Simplify right side
    1,772,985x = 1,178,917,121,497.50
  5. Step 5: Solve for x
    x = 1,178,917,121,497.50/1,772,985
  6. Step 6: Final answer
    x = 664,933.50

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.