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Finding the Fourth Proportional to 410,330.60, 615,277.20 and 173,405.60

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Solution

The fourth proportional to 410,330.60, 615,277.20 and 173,405.60 is: 260,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,330.60 : 615,277.20 = 173,405.60 : x
  2. Step 2: Convert to fraction form
    410,330.60/615,277.20 = 173,405.60/x
  3. Step 3: Cross multiply
    410,330.60x = 615,277.20 × 173,405.60
  4. Step 4: Simplify right side
    410,330.60x = 106,692,512,032.32
  5. Step 5: Solve for x
    x = 106,692,512,032.32/410,330.60
  6. Step 6: Final answer
    x = 260,015.98

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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.