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Finding the Fourth Proportional to 504,224.72, 696,008.40 and 450,416.24

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Solution

The fourth proportional to 504,224.72, 696,008.40 and 450,416.24 is: 621,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,224.72 : 696,008.40 = 450,416.24 : x
  2. Step 2: Convert to fraction form
    504,224.72/696,008.40 = 450,416.24/x
  3. Step 3: Cross multiply
    504,224.72x = 696,008.40 × 450,416.24
  4. Step 4: Simplify right side
    504,224.72x = 313,493,486,536.42
  5. Step 5: Solve for x
    x = 313,493,486,536.42/504,224.72
  6. Step 6: Final answer
    x = 621,733.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.