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Finding the Fourth Proportional to 827,496.40, 1,241,390.40 and 295,326.40

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Solution

The fourth proportional to 827,496.40, 1,241,390.40 and 295,326.40 is: 443,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,496.40 : 1,241,390.40 = 295,326.40 : x
  2. Step 2: Convert to fraction form
    827,496.40/1,241,390.40 = 295,326.40/x
  3. Step 3: Cross multiply
    827,496.40x = 1,241,390.40 × 295,326.40
  4. Step 4: Simplify right side
    827,496.40x = 366,615,357,826.56
  5. Step 5: Solve for x
    x = 366,615,357,826.56/827,496.40
  6. Step 6: Final answer
    x = 443,041.63

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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.