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Finding the Fourth Proportional to 608,969.60, 913,454.40 and 159,689.60

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Solution

The fourth proportional to 608,969.60, 913,454.40 and 159,689.60 is: 239,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,969.60 : 913,454.40 = 159,689.60 : x
  2. Step 2: Convert to fraction form
    608,969.60/913,454.40 = 159,689.60/x
  3. Step 3: Cross multiply
    608,969.60x = 913,454.40 × 159,689.60
  4. Step 4: Simplify right side
    608,969.60x = 145,869,167,754.24
  5. Step 5: Solve for x
    x = 145,869,167,754.24/608,969.60
  6. Step 6: Final answer
    x = 239,534.40

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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.