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Finding the Fourth Proportional to 552,979.56, 829,528.56 and 153,621.48

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Solution

The fourth proportional to 552,979.56, 829,528.56 and 153,621.48 is: 230,448.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,979.56 : 829,528.56 = 153,621.48 : x
  2. Step 2: Convert to fraction form
    552,979.56/829,528.56 = 153,621.48/x
  3. Step 3: Cross multiply
    552,979.56x = 829,528.56 × 153,621.48
  4. Step 4: Simplify right side
    552,979.56x = 127,433,405,089.47
  5. Step 5: Solve for x
    x = 127,433,405,089.47/552,979.56
  6. Step 6: Final answer
    x = 230,448.67

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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.