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Finding the Fourth Proportional to 603,496.70, 832,831.08 and 331,570.23

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Solution

The fourth proportional to 603,496.70, 832,831.08 and 331,570.23 is: 457,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,496.70 : 832,831.08 = 331,570.23 : x
  2. Step 2: Convert to fraction form
    603,496.70/832,831.08 = 331,570.23/x
  3. Step 3: Cross multiply
    603,496.70x = 832,831.08 × 331,570.23
  4. Step 4: Simplify right side
    603,496.70x = 276,141,992,746.75
  5. Step 5: Solve for x
    x = 276,141,992,746.75/603,496.70
  6. Step 6: Final answer
    x = 457,570.01

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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.