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Finding the Fourth Proportional to 364,981.64, 500,016.47 and 351,336.15

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Solution

The fourth proportional to 364,981.64, 500,016.47 and 351,336.15 is: 481,322.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,981.64 : 500,016.47 = 351,336.15 : x
  2. Step 2: Convert to fraction form
    364,981.64/500,016.47 = 351,336.15/x
  3. Step 3: Cross multiply
    364,981.64x = 500,016.47 × 351,336.15
  4. Step 4: Simplify right side
    364,981.64x = 175,673,859,749.71
  5. Step 5: Solve for x
    x = 175,673,859,749.71/364,981.64
  6. Step 6: Final answer
    x = 481,322.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.