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Finding the Fourth Proportional to 369,287.39, 509,532.06 and 233,157.57

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Solution

The fourth proportional to 369,287.39, 509,532.06 and 233,157.57 is: 321,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,287.39 : 509,532.06 = 233,157.57 : x
  2. Step 2: Convert to fraction form
    369,287.39/509,532.06 = 233,157.57/x
  3. Step 3: Cross multiply
    369,287.39x = 509,532.06 × 233,157.57
  4. Step 4: Simplify right side
    369,287.39x = 118,801,256,946.69
  5. Step 5: Solve for x
    x = 118,801,256,946.69/369,287.39
  6. Step 6: Final answer
    x = 321,704.08

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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.