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Finding the Fourth Proportional to 508,029, 701,104.32 and 281,674.50

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Solution

The fourth proportional to 508,029, 701,104.32 and 281,674.50 is: 388,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,029 : 701,104.32 = 281,674.50 : x
  2. Step 2: Convert to fraction form
    508,029/701,104.32 = 281,674.50/x
  3. Step 3: Cross multiply
    508,029x = 701,104.32 × 281,674.50
  4. Step 4: Simplify right side
    508,029x = 197,483,208,783.84
  5. Step 5: Solve for x
    x = 197,483,208,783.84/508,029
  6. Step 6: Final answer
    x = 388,724.28

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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.