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Finding the Fourth Proportional to 453,323.55, 680,477.40 and 353,924.40

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Solution

The fourth proportional to 453,323.55, 680,477.40 and 353,924.40 is: 531,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,323.55 : 680,477.40 = 353,924.40 : x
  2. Step 2: Convert to fraction form
    453,323.55/680,477.40 = 353,924.40/x
  3. Step 3: Cross multiply
    453,323.55x = 680,477.40 × 353,924.40
  4. Step 4: Simplify right side
    453,323.55x = 240,837,555,508.56
  5. Step 5: Solve for x
    x = 240,837,555,508.56/453,323.55
  6. Step 6: Final answer
    x = 531,270.78

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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.