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Finding the Fourth Proportional to 608,946.60, 913,419.90 and 159,666.60

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Solution

The fourth proportional to 608,946.60, 913,419.90 and 159,666.60 is: 239,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,946.60 : 913,419.90 = 159,666.60 : x
  2. Step 2: Convert to fraction form
    608,946.60/913,419.90 = 159,666.60/x
  3. Step 3: Cross multiply
    608,946.60x = 913,419.90 × 159,666.60
  4. Step 4: Simplify right side
    608,946.60x = 145,842,649,805.34
  5. Step 5: Solve for x
    x = 145,842,649,805.34/608,946.60
  6. Step 6: Final answer
    x = 239,499.90

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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.