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Finding the Fourth Proportional to 584,426.80, 876,640.20 and 334,903.60

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Solution

The fourth proportional to 584,426.80, 876,640.20 and 334,903.60 is: 502,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,426.80 : 876,640.20 = 334,903.60 : x
  2. Step 2: Convert to fraction form
    584,426.80/876,640.20 = 334,903.60/x
  3. Step 3: Cross multiply
    584,426.80x = 876,640.20 × 334,903.60
  4. Step 4: Simplify right side
    584,426.80x = 293,589,958,884.72
  5. Step 5: Solve for x
    x = 293,589,958,884.72/584,426.80
  6. Step 6: Final answer
    x = 502,355.40

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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.