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Finding the Fourth Proportional to 468,547.25, 702,820.87 and 113,561.28

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Solution

The fourth proportional to 468,547.25, 702,820.87 and 113,561.28 is: 170,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,547.25 : 702,820.87 = 113,561.28 : x
  2. Step 2: Convert to fraction form
    468,547.25/702,820.87 = 113,561.28/x
  3. Step 3: Cross multiply
    468,547.25x = 702,820.87 × 113,561.28
  4. Step 4: Simplify right side
    468,547.25x = 79,813,237,324.01
  5. Step 5: Solve for x
    x = 79,813,237,324.01/468,547.25
  6. Step 6: Final answer
    x = 170,341.92

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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.