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Finding the Fourth Proportional to 444,435.41, 612,741.83 and 283,231.64

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Solution

The fourth proportional to 444,435.41, 612,741.83 and 283,231.64 is: 390,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,435.41 : 612,741.83 = 283,231.64 : x
  2. Step 2: Convert to fraction form
    444,435.41/612,741.83 = 283,231.64/x
  3. Step 3: Cross multiply
    444,435.41x = 612,741.83 × 283,231.64
  4. Step 4: Simplify right side
    444,435.41x = 173,547,876,767.40
  5. Step 5: Solve for x
    x = 173,547,876,767.40/444,435.41
  6. Step 6: Final answer
    x = 390,490.66

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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.