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Finding the Fourth Proportional to 401,443.56, 602,266.56 and 283,345.56

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Solution

The fourth proportional to 401,443.56, 602,266.56 and 283,345.56 is: 425,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,443.56 : 602,266.56 = 283,345.56 : x
  2. Step 2: Convert to fraction form
    401,443.56/602,266.56 = 283,345.56/x
  3. Step 3: Cross multiply
    401,443.56x = 602,266.56 × 283,345.56
  4. Step 4: Simplify right side
    401,443.56x = 170,649,555,712.47
  5. Step 5: Solve for x
    x = 170,649,555,712.47/401,443.56
  6. Step 6: Final answer
    x = 425,089.78

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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.