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Finding the Fourth Proportional to 295,775.79, 408,147.44 and 168,426.51

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Solution

The fourth proportional to 295,775.79, 408,147.44 and 168,426.51 is: 232,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,775.79 : 408,147.44 = 168,426.51 : x
  2. Step 2: Convert to fraction form
    295,775.79/408,147.44 = 168,426.51/x
  3. Step 3: Cross multiply
    295,775.79x = 408,147.44 × 168,426.51
  4. Step 4: Simplify right side
    295,775.79x = 68,742,848,042.50
  5. Step 5: Solve for x
    x = 68,742,848,042.50/295,775.79
  6. Step 6: Final answer
    x = 232,415.40

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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.