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Finding the Fourth Proportional to 538,968.80, 808,453.20 and 183,929.60

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Solution

The fourth proportional to 538,968.80, 808,453.20 and 183,929.60 is: 275,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,968.80 : 808,453.20 = 183,929.60 : x
  2. Step 2: Convert to fraction form
    538,968.80/808,453.20 = 183,929.60/x
  3. Step 3: Cross multiply
    538,968.80x = 808,453.20 × 183,929.60
  4. Step 4: Simplify right side
    538,968.80x = 148,698,473,694.72
  5. Step 5: Solve for x
    x = 148,698,473,694.72/538,968.80
  6. Step 6: Final answer
    x = 275,894.40

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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.