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Finding the Fourth Proportional to 303,798.30, 455,697.45 and 146,334.30

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Solution

The fourth proportional to 303,798.30, 455,697.45 and 146,334.30 is: 219,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,798.30 : 455,697.45 = 146,334.30 : x
  2. Step 2: Convert to fraction form
    303,798.30/455,697.45 = 146,334.30/x
  3. Step 3: Cross multiply
    303,798.30x = 455,697.45 × 146,334.30
  4. Step 4: Simplify right side
    303,798.30x = 66,684,167,357.54
  5. Step 5: Solve for x
    x = 66,684,167,357.54/303,798.30
  6. Step 6: Final answer
    x = 219,501.45

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Similar ratio
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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.