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Finding the Fourth Proportional to 608,615.10, 912,922.65 and 159,335.10

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Solution

The fourth proportional to 608,615.10, 912,922.65 and 159,335.10 is: 239,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,615.10 : 912,922.65 = 159,335.10 : x
  2. Step 2: Convert to fraction form
    608,615.10/912,922.65 = 159,335.10/x
  3. Step 3: Cross multiply
    608,615.10x = 912,922.65 × 159,335.10
  4. Step 4: Simplify right side
    608,615.10x = 145,460,621,730.02
  5. Step 5: Solve for x
    x = 145,460,621,730.02/608,615.10
  6. Step 6: Final answer
    x = 239,002.65

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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.