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Finding the Fourth Proportional to 539,016.80, 808,525.20 and 183,977.60

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Solution

The fourth proportional to 539,016.80, 808,525.20 and 183,977.60 is: 275,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,016.80 : 808,525.20 = 183,977.60 : x
  2. Step 2: Convert to fraction form
    539,016.80/808,525.20 = 183,977.60/x
  3. Step 3: Cross multiply
    539,016.80x = 808,525.20 × 183,977.60
  4. Step 4: Simplify right side
    539,016.80x = 148,750,525,835.52
  5. Step 5: Solve for x
    x = 148,750,525,835.52/539,016.80
  6. Step 6: Final answer
    x = 275,966.40

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Similar ratio
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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.