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Finding the Fourth Proportional to 573,268.80, 859,903.20 and 173,890.20

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Solution

The fourth proportional to 573,268.80, 859,903.20 and 173,890.20 is: 260,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,268.80 : 859,903.20 = 173,890.20 : x
  2. Step 2: Convert to fraction form
    573,268.80/859,903.20 = 173,890.20/x
  3. Step 3: Cross multiply
    573,268.80x = 859,903.20 × 173,890.20
  4. Step 4: Simplify right side
    573,268.80x = 149,528,739,428.64
  5. Step 5: Solve for x
    x = 149,528,739,428.64/573,268.80
  6. Step 6: Final answer
    x = 260,835.30

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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.