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Finding the Fourth Proportional to 536,845.22, 740,802.37 and 316,047.47

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Solution

The fourth proportional to 536,845.22, 740,802.37 and 316,047.47 is: 436,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,845.22 : 740,802.37 = 316,047.47 : x
  2. Step 2: Convert to fraction form
    536,845.22/740,802.37 = 316,047.47/x
  3. Step 3: Cross multiply
    536,845.22x = 740,802.37 × 316,047.47
  4. Step 4: Simplify right side
    536,845.22x = 234,128,714,141.68
  5. Step 5: Solve for x
    x = 234,128,714,141.68/536,845.22
  6. Step 6: Final answer
    x = 436,119.58

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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.