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Finding the Fourth Proportional to 314,840.08, 434,479.64 and 171,600.24

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Solution

The fourth proportional to 314,840.08, 434,479.64 and 171,600.24 is: 236,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,840.08 : 434,479.64 = 171,600.24 : x
  2. Step 2: Convert to fraction form
    314,840.08/434,479.64 = 171,600.24/x
  3. Step 3: Cross multiply
    314,840.08x = 434,479.64 × 171,600.24
  4. Step 4: Simplify right side
    314,840.08x = 74,556,810,499.11
  5. Step 5: Solve for x
    x = 74,556,810,499.11/314,840.08
  6. Step 6: Final answer
    x = 236,808.51

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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.