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Finding the Fourth Proportional to 606,683.60, 910,025.40 and 185,904.80

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Solution

The fourth proportional to 606,683.60, 910,025.40 and 185,904.80 is: 278,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,683.60 : 910,025.40 = 185,904.80 : x
  2. Step 2: Convert to fraction form
    606,683.60/910,025.40 = 185,904.80/x
  3. Step 3: Cross multiply
    606,683.60x = 910,025.40 × 185,904.80
  4. Step 4: Simplify right side
    606,683.60x = 169,178,089,981.92
  5. Step 5: Solve for x
    x = 169,178,089,981.92/606,683.60
  6. Step 6: Final answer
    x = 278,857.20

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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.