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Finding the Fourth Proportional to 922,098.48, 1,375,935.90 and 730,386.48

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Solution

The fourth proportional to 922,098.48, 1,375,935.90 and 730,386.48 is: 1,089,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,098.48 : 1,375,935.90 = 730,386.48 : x
  2. Step 2: Convert to fraction form
    922,098.48/1,375,935.90 = 730,386.48/x
  3. Step 3: Cross multiply
    922,098.48x = 1,375,935.90 × 730,386.48
  4. Step 4: Simplify right side
    922,098.48x = 1,004,964,978,706.63
  5. Step 5: Solve for x
    x = 1,004,964,978,706.63/922,098.48
  6. Step 6: Final answer
    x = 1,089,867.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.