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Finding the Fourth Proportional to 316,674.48, 474,892.76 and 103,392.56

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Solution

The fourth proportional to 316,674.48, 474,892.76 and 103,392.56 is: 155,050.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,674.48 : 474,892.76 = 103,392.56 : x
  2. Step 2: Convert to fraction form
    316,674.48/474,892.76 = 103,392.56/x
  3. Step 3: Cross multiply
    316,674.48x = 474,892.76 × 103,392.56
  4. Step 4: Simplify right side
    316,674.48x = 49,100,378,181.87
  5. Step 5: Solve for x
    x = 49,100,378,181.87/316,674.48
  6. Step 6: Final answer
    x = 155,050.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.