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Finding the Fourth Proportional to 371,111.60, 556,537.80 and 193,559.60

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Solution

The fourth proportional to 371,111.60, 556,537.80 and 193,559.60 is: 290,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,111.60 : 556,537.80 = 193,559.60 : x
  2. Step 2: Convert to fraction form
    371,111.60/556,537.80 = 193,559.60/x
  3. Step 3: Cross multiply
    371,111.60x = 556,537.80 × 193,559.60
  4. Step 4: Simplify right side
    371,111.60x = 107,723,233,952.88
  5. Step 5: Solve for x
    x = 107,723,233,952.88/371,111.60
  6. Step 6: Final answer
    x = 290,271.80

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1.5x scale

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.