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Finding the Fourth Proportional to 371,386.33, 556,170.96 and 335,443.54

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Solution

The fourth proportional to 371,386.33, 556,170.96 and 335,443.54 is: 502,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,386.33 : 556,170.96 = 335,443.54 : x
  2. Step 2: Convert to fraction form
    371,386.33/556,170.96 = 335,443.54/x
  3. Step 3: Cross multiply
    371,386.33x = 556,170.96 × 335,443.54
  4. Step 4: Simplify right side
    371,386.33x = 186,563,955,667.60
  5. Step 5: Solve for x
    x = 186,563,955,667.60/371,386.33
  6. Step 6: Final answer
    x = 502,344.70

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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.