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Finding the Fourth Proportional to 401,439.54, 602,260.56 and 283,341.54

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Solution

The fourth proportional to 401,439.54, 602,260.56 and 283,341.54 is: 425,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,439.54 : 602,260.56 = 283,341.54 : x
  2. Step 2: Convert to fraction form
    401,439.54/602,260.56 = 283,341.54/x
  3. Step 3: Cross multiply
    401,439.54x = 602,260.56 × 283,341.54
  4. Step 4: Simplify right side
    401,439.54x = 170,645,434,551.66
  5. Step 5: Solve for x
    x = 170,645,434,551.66/401,439.54
  6. Step 6: Final answer
    x = 425,083.77

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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.