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Finding the Fourth Proportional to 788,877.60, 1,181,955.60 and 367,288.80

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Solution

The fourth proportional to 788,877.60, 1,181,955.60 and 367,288.80 is: 550,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,877.60 : 1,181,955.60 = 367,288.80 : x
  2. Step 2: Convert to fraction form
    788,877.60/1,181,955.60 = 367,288.80/x
  3. Step 3: Cross multiply
    788,877.60x = 1,181,955.60 × 367,288.80
  4. Step 4: Simplify right side
    788,877.60x = 434,119,053,977.28
  5. Step 5: Solve for x
    x = 434,119,053,977.28/788,877.60
  6. Step 6: Final answer
    x = 550,299.63

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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.