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Finding the Fourth Proportional to 297,556.16, 410,636.96 and 163,420.16

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Solution

The fourth proportional to 297,556.16, 410,636.96 and 163,420.16 is: 225,525.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,556.16 : 410,636.96 = 163,420.16 : x
  2. Step 2: Convert to fraction form
    297,556.16/410,636.96 = 163,420.16/x
  3. Step 3: Cross multiply
    297,556.16x = 410,636.96 × 163,420.16
  4. Step 4: Simplify right side
    297,556.16x = 67,106,357,705.11
  5. Step 5: Solve for x
    x = 67,106,357,705.11/297,556.16
  6. Step 6: Final answer
    x = 225,525.02

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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.