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Finding the Fourth Proportional to 410,220.40, 615,330.60 and 401,004.40

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Solution

The fourth proportional to 410,220.40, 615,330.60 and 401,004.40 is: 601,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,220.40 : 615,330.60 = 401,004.40 : x
  2. Step 2: Convert to fraction form
    410,220.40/615,330.60 = 401,004.40/x
  3. Step 3: Cross multiply
    410,220.40x = 615,330.60 × 401,004.40
  4. Step 4: Simplify right side
    410,220.40x = 246,750,278,054.64
  5. Step 5: Solve for x
    x = 246,750,278,054.64/410,220.40
  6. Step 6: Final answer
    x = 601,506.60

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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.