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Finding the Fourth Proportional to 626,274, 864,232.92 and 339,783.12

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Solution

The fourth proportional to 626,274, 864,232.92 and 339,783.12 is: 468,887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,274 : 864,232.92 = 339,783.12 : x
  2. Step 2: Convert to fraction form
    626,274/864,232.92 = 339,783.12/x
  3. Step 3: Cross multiply
    626,274x = 864,232.92 × 339,783.12
  4. Step 4: Simplify right side
    626,274x = 293,651,757,964.31
  5. Step 5: Solve for x
    x = 293,651,757,964.31/626,274
  6. Step 6: Final answer
    x = 468,887.03

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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.