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Finding the Fourth Proportional to 343,784.16, 474,430.32 and 192,892.32

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Solution

The fourth proportional to 343,784.16, 474,430.32 and 192,892.32 is: 266,195.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,784.16 : 474,430.32 = 192,892.32 : x
  2. Step 2: Convert to fraction form
    343,784.16/474,430.32 = 192,892.32/x
  3. Step 3: Cross multiply
    343,784.16x = 474,430.32 × 192,892.32
  4. Step 4: Simplify right side
    343,784.16x = 91,513,965,103.14
  5. Step 5: Solve for x
    x = 91,513,965,103.14/343,784.16
  6. Step 6: Final answer
    x = 266,195.99

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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.