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Finding the Fourth Proportional to 410,023.40, 615,035.10 and 363,021.80

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Solution

The fourth proportional to 410,023.40, 615,035.10 and 363,021.80 is: 544,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,023.40 : 615,035.10 = 363,021.80 : x
  2. Step 2: Convert to fraction form
    410,023.40/615,035.10 = 363,021.80/x
  3. Step 3: Cross multiply
    410,023.40x = 615,035.10 × 363,021.80
  4. Step 4: Simplify right side
    410,023.40x = 223,271,149,065.18
  5. Step 5: Solve for x
    x = 223,271,149,065.18/410,023.40
  6. Step 6: Final answer
    x = 544,532.70

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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.