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Finding the Fourth Proportional to 635,907.81, 954,001.86 and 352,012.47

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Solution

The fourth proportional to 635,907.81, 954,001.86 and 352,012.47 is: 528,096.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,907.81 : 954,001.86 = 352,012.47 : x
  2. Step 2: Convert to fraction form
    635,907.81/954,001.86 = 352,012.47/x
  3. Step 3: Cross multiply
    635,907.81x = 954,001.86 × 352,012.47
  4. Step 4: Simplify right side
    635,907.81x = 335,820,551,123.19
  5. Step 5: Solve for x
    x = 335,820,551,123.19/635,907.81
  6. Step 6: Final answer
    x = 528,096.28

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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.