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Finding the Fourth Proportional to 650,117.40, 975,176.10 and 414,504.60

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Solution

The fourth proportional to 650,117.40, 975,176.10 and 414,504.60 is: 621,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,117.40 : 975,176.10 = 414,504.60 : x
  2. Step 2: Convert to fraction form
    650,117.40/975,176.10 = 414,504.60/x
  3. Step 3: Cross multiply
    650,117.40x = 975,176.10 × 414,504.60
  4. Step 4: Simplify right side
    650,117.40x = 404,214,979,260.06
  5. Step 5: Solve for x
    x = 404,214,979,260.06/650,117.40
  6. Step 6: Final answer
    x = 621,756.90

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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.