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Finding the Fourth Proportional to 535,544.64, 803,322.72 and 161,570.88

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Solution

The fourth proportional to 535,544.64, 803,322.72 and 161,570.88 is: 242,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,544.64 : 803,322.72 = 161,570.88 : x
  2. Step 2: Convert to fraction form
    535,544.64/803,322.72 = 161,570.88/x
  3. Step 3: Cross multiply
    535,544.64x = 803,322.72 × 161,570.88
  4. Step 4: Simplify right side
    535,544.64x = 129,793,558,794.39
  5. Step 5: Solve for x
    x = 129,793,558,794.39/535,544.64
  6. Step 6: Final answer
    x = 242,358.06

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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.