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Finding the Fourth Proportional to 272,954.80, 409,854.60 and 148,538.80

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Solution

The fourth proportional to 272,954.80, 409,854.60 and 148,538.80 is: 223,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,954.80 : 409,854.60 = 148,538.80 : x
  2. Step 2: Convert to fraction form
    272,954.80/409,854.60 = 148,538.80/x
  3. Step 3: Cross multiply
    272,954.80x = 409,854.60 × 148,538.80
  4. Step 4: Simplify right side
    272,954.80x = 60,879,310,458.48
  5. Step 5: Solve for x
    x = 60,879,310,458.48/272,954.80
  6. Step 6: Final answer
    x = 223,038.07

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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.