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Finding the Fourth Proportional to 608,886.60, 913,329.90 and 159,606.60

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Solution

The fourth proportional to 608,886.60, 913,329.90 and 159,606.60 is: 239,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,886.60 : 913,329.90 = 159,606.60 : x
  2. Step 2: Convert to fraction form
    608,886.60/913,329.90 = 159,606.60/x
  3. Step 3: Cross multiply
    608,886.60x = 913,329.90 × 159,606.60
  4. Step 4: Simplify right side
    608,886.60x = 145,773,480,017.34
  5. Step 5: Solve for x
    x = 145,773,480,017.34/608,886.60
  6. Step 6: Final answer
    x = 239,409.90

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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.