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Finding the Fourth Proportional to 309,851.60, 464,767.80 and 88,235.60

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Solution

The fourth proportional to 309,851.60, 464,767.80 and 88,235.60 is: 132,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,851.60 : 464,767.80 = 88,235.60 : x
  2. Step 2: Convert to fraction form
    309,851.60/464,767.80 = 88,235.60/x
  3. Step 3: Cross multiply
    309,851.60x = 464,767.80 × 88,235.60
  4. Step 4: Simplify right side
    309,851.60x = 41,009,065,693.68
  5. Step 5: Solve for x
    x = 41,009,065,693.68/309,851.60
  6. Step 6: Final answer
    x = 132,350.67

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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.