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Finding the Fourth Proportional to 608,615.60, 912,923.40 and 159,335.60

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Solution

The fourth proportional to 608,615.60, 912,923.40 and 159,335.60 is: 239,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,615.60 : 912,923.40 = 159,335.60 : x
  2. Step 2: Convert to fraction form
    608,615.60/912,923.40 = 159,335.60/x
  3. Step 3: Cross multiply
    608,615.60x = 912,923.40 × 159,335.60
  4. Step 4: Simplify right side
    608,615.60x = 145,461,197,693.04
  5. Step 5: Solve for x
    x = 145,461,197,693.04/608,615.60
  6. Step 6: Final answer
    x = 239,003.40

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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.