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Finding the Fourth Proportional to 283,624.40, 425,436.60 and 178,907.60

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Solution

The fourth proportional to 283,624.40, 425,436.60 and 178,907.60 is: 268,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,624.40 : 425,436.60 = 178,907.60 : x
  2. Step 2: Convert to fraction form
    283,624.40/425,436.60 = 178,907.60/x
  3. Step 3: Cross multiply
    283,624.40x = 425,436.60 × 178,907.60
  4. Step 4: Simplify right side
    283,624.40x = 76,113,841,058.16
  5. Step 5: Solve for x
    x = 76,113,841,058.16/283,624.40
  6. Step 6: Final answer
    x = 268,361.40

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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.