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Finding the Fourth Proportional to 360,554.38, 497,580.51 and 199,409.38

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Solution

The fourth proportional to 360,554.38, 497,580.51 and 199,409.38 is: 275,193.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,554.38 : 497,580.51 = 199,409.38 : x
  2. Step 2: Convert to fraction form
    360,554.38/497,580.51 = 199,409.38/x
  3. Step 3: Cross multiply
    360,554.38x = 497,580.51 × 199,409.38
  4. Step 4: Simplify right side
    360,554.38x = 99,222,220,999.18
  5. Step 5: Solve for x
    x = 99,222,220,999.18/360,554.38
  6. Step 6: Final answer
    x = 275,193.50

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1.5x scale

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.