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Finding the Fourth Proportional to 650,665.60, 975,998.40 and 461,708.80

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Solution

The fourth proportional to 650,665.60, 975,998.40 and 461,708.80 is: 692,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,665.60 : 975,998.40 = 461,708.80 : x
  2. Step 2: Convert to fraction form
    650,665.60/975,998.40 = 461,708.80/x
  3. Step 3: Cross multiply
    650,665.60x = 975,998.40 × 461,708.80
  4. Step 4: Simplify right side
    650,665.60x = 450,627,050,065.92
  5. Step 5: Solve for x
    x = 450,627,050,065.92/650,665.60
  6. Step 6: Final answer
    x = 692,563.20

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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.