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Finding the Fourth Proportional to 503,608.40, 755,412.60 and 474,059.60

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Solution

The fourth proportional to 503,608.40, 755,412.60 and 474,059.60 is: 711,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,608.40 : 755,412.60 = 474,059.60 : x
  2. Step 2: Convert to fraction form
    503,608.40/755,412.60 = 474,059.60/x
  3. Step 3: Cross multiply
    503,608.40x = 755,412.60 × 474,059.60
  4. Step 4: Simplify right side
    503,608.40x = 358,110,594,990.96
  5. Step 5: Solve for x
    x = 358,110,594,990.96/503,608.40
  6. Step 6: Final answer
    x = 711,089.40

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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.