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Finding the Fourth Proportional to 262,022.72, 393,034.08 and 65,030.72

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Solution

The fourth proportional to 262,022.72, 393,034.08 and 65,030.72 is: 97,546.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,022.72 : 393,034.08 = 65,030.72 : x
  2. Step 2: Convert to fraction form
    262,022.72/393,034.08 = 65,030.72/x
  3. Step 3: Cross multiply
    262,022.72x = 393,034.08 × 65,030.72
  4. Step 4: Simplify right side
    262,022.72x = 25,559,289,206.94
  5. Step 5: Solve for x
    x = 25,559,289,206.94/262,022.72
  6. Step 6: Final answer
    x = 97,546.08

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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.