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Finding the Fourth Proportional to 557,812,287.60, 836,718,431.40 and 169,632,034.80

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Solution

The fourth proportional to 557,812,287.60, 836,718,431.40 and 169,632,034.80 is: 254,448,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,812,287.60 : 836,718,431.40 = 169,632,034.80 : x
  2. Step 2: Convert to fraction form
    557,812,287.60/836,718,431.40 = 169,632,034.80/x
  3. Step 3: Cross multiply
    557,812,287.60x = 836,718,431.40 × 169,632,034.80
  4. Step 4: Simplify right side
    557,812,287.60x = 141,934,250,073,046,224
  5. Step 5: Solve for x
    x = 141,934,250,073,046,224/557,812,287.60
  6. Step 6: Final answer
    x = 254,448,052.20

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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.