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Finding the Fourth Proportional to 694,585.37, 958,223.62 and 407,976.23

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Solution

The fourth proportional to 694,585.37, 958,223.62 and 407,976.23 is: 562,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,585.37 : 958,223.62 = 407,976.23 : x
  2. Step 2: Convert to fraction form
    694,585.37/958,223.62 = 407,976.23/x
  3. Step 3: Cross multiply
    694,585.37x = 958,223.62 × 407,976.23
  4. Step 4: Simplify right side
    694,585.37x = 390,932,459,984.55
  5. Step 5: Solve for x
    x = 390,932,459,984.55/694,585.37
  6. Step 6: Final answer
    x = 562,828.53

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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.