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Finding the Fourth Proportional to 734,505.60, 1,101,693.60 and 201,979.20

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Solution

The fourth proportional to 734,505.60, 1,101,693.60 and 201,979.20 is: 302,950.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,505.60 : 1,101,693.60 = 201,979.20 : x
  2. Step 2: Convert to fraction form
    734,505.60/1,101,693.60 = 201,979.20/x
  3. Step 3: Cross multiply
    734,505.60x = 1,101,693.60 × 201,979.20
  4. Step 4: Simplify right side
    734,505.60x = 222,519,191,973.12
  5. Step 5: Solve for x
    x = 222,519,191,973.12/734,505.60
  6. Step 6: Final answer
    x = 302,950.98

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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.