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Finding the Fourth Proportional to 368,722.39, 553,187.46 and 333,588.23

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Solution

The fourth proportional to 368,722.39, 553,187.46 and 333,588.23 is: 500,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,722.39 : 553,187.46 = 333,588.23 : x
  2. Step 2: Convert to fraction form
    368,722.39/553,187.46 = 333,588.23/x
  3. Step 3: Cross multiply
    368,722.39x = 553,187.46 × 333,588.23
  4. Step 4: Simplify right side
    368,722.39x = 184,536,825,639.60
  5. Step 5: Solve for x
    x = 184,536,825,639.60/368,722.39
  6. Step 6: Final answer
    x = 500,476.32

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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.