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Finding the Fourth Proportional to 217,375.08, 299,662.65 and 152,647.17

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Solution

The fourth proportional to 217,375.08, 299,662.65 and 152,647.17 is: 210,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,375.08 : 299,662.65 = 152,647.17 : x
  2. Step 2: Convert to fraction form
    217,375.08/299,662.65 = 152,647.17/x
  3. Step 3: Cross multiply
    217,375.08x = 299,662.65 × 152,647.17
  4. Step 4: Simplify right side
    217,375.08x = 45,742,655,477.20
  5. Step 5: Solve for x
    x = 45,742,655,477.20/217,375.08
  6. Step 6: Final answer
    x = 210,431.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.