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Finding the Fourth Proportional to 340,976.50, 470,547.60 and 190,073.50

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Solution

The fourth proportional to 340,976.50, 470,547.60 and 190,073.50 is: 262,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,976.50 : 470,547.60 = 190,073.50 : x
  2. Step 2: Convert to fraction form
    340,976.50/470,547.60 = 190,073.50/x
  3. Step 3: Cross multiply
    340,976.50x = 470,547.60 × 190,073.50
  4. Step 4: Simplify right side
    340,976.50x = 89,438,629,248.60
  5. Step 5: Solve for x
    x = 89,438,629,248.60/340,976.50
  6. Step 6: Final answer
    x = 262,301.45

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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.