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Finding the Fourth Proportional to 410,018.40, 613,861.20 and 363,362.40

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Solution

The fourth proportional to 410,018.40, 613,861.20 and 363,362.40 is: 544,009.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,018.40 : 613,861.20 = 363,362.40 : x
  2. Step 2: Convert to fraction form
    410,018.40/613,861.20 = 363,362.40/x
  3. Step 3: Cross multiply
    410,018.40x = 613,861.20 × 363,362.40
  4. Step 4: Simplify right side
    410,018.40x = 223,054,078,898.88
  5. Step 5: Solve for x
    x = 223,054,078,898.88/410,018.40
  6. Step 6: Final answer
    x = 544,009.92

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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.