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Finding the Fourth Proportional to 343,801.16, 474,453.78 and 192,909.32

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Solution

The fourth proportional to 343,801.16, 474,453.78 and 192,909.32 is: 266,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,801.16 : 474,453.78 = 192,909.32 : x
  2. Step 2: Convert to fraction form
    343,801.16/474,453.78 = 192,909.32/x
  3. Step 3: Cross multiply
    343,801.16x = 474,453.78 × 192,909.32
  4. Step 4: Simplify right side
    343,801.16x = 91,526,556,071.23
  5. Step 5: Solve for x
    x = 91,526,556,071.23/343,801.16
  6. Step 6: Final answer
    x = 266,219.45

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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.