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Finding the Fourth Proportional to 362,938.90, 544,518.90 and 185,570.50

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Solution

The fourth proportional to 362,938.90, 544,518.90 and 185,570.50 is: 278,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,938.90 : 544,518.90 = 185,570.50 : x
  2. Step 2: Convert to fraction form
    362,938.90/544,518.90 = 185,570.50/x
  3. Step 3: Cross multiply
    362,938.90x = 544,518.90 × 185,570.50
  4. Step 4: Simplify right side
    362,938.90x = 101,046,644,532.45
  5. Step 5: Solve for x
    x = 101,046,644,532.45/362,938.90
  6. Step 6: Final answer
    x = 278,412.27

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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.