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Finding the Fourth Proportional to 797,728, 1,195,920.86 and 371,047.10

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Solution

The fourth proportional to 797,728, 1,195,920.86 and 371,047.10 is: 556,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,728 : 1,195,920.86 = 371,047.10 : x
  2. Step 2: Convert to fraction form
    797,728/1,195,920.86 = 371,047.10/x
  3. Step 3: Cross multiply
    797,728x = 1,195,920.86 × 371,047.10
  4. Step 4: Simplify right side
    797,728x = 443,742,966,932.51
  5. Step 5: Solve for x
    x = 443,742,966,932.51/797,728
  6. Step 6: Final answer
    x = 556,258.48

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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.