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Finding the Fourth Proportional to 574,875.60, 862,313.40 and 308,533.20

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Solution

The fourth proportional to 574,875.60, 862,313.40 and 308,533.20 is: 462,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,875.60 : 862,313.40 = 308,533.20 : x
  2. Step 2: Convert to fraction form
    574,875.60/862,313.40 = 308,533.20/x
  3. Step 3: Cross multiply
    574,875.60x = 862,313.40 × 308,533.20
  4. Step 4: Simplify right side
    574,875.60x = 266,052,312,704.88
  5. Step 5: Solve for x
    x = 266,052,312,704.88/574,875.60
  6. Step 6: Final answer
    x = 462,799.80

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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.