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Finding the Fourth Proportional to 628,853.79, 943,148.44 and 202,427.76

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Solution

The fourth proportional to 628,853.79, 943,148.44 and 202,427.76 is: 303,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,853.79 : 943,148.44 = 202,427.76 : x
  2. Step 2: Convert to fraction form
    628,853.79/943,148.44 = 202,427.76/x
  3. Step 3: Cross multiply
    628,853.79x = 943,148.44 × 202,427.76
  4. Step 4: Simplify right side
    628,853.79x = 190,919,426,056.69
  5. Step 5: Solve for x
    x = 190,919,426,056.69/628,853.79
  6. Step 6: Final answer
    x = 303,599.07

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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.