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Finding the Fourth Proportional to 450,003.42, 675,337.32 and 213,346.98

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Solution

The fourth proportional to 450,003.42, 675,337.32 and 213,346.98 is: 320,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,003.42 : 675,337.32 = 213,346.98 : x
  2. Step 2: Convert to fraction form
    450,003.42/675,337.32 = 213,346.98/x
  3. Step 3: Cross multiply
    450,003.42x = 675,337.32 × 213,346.98
  4. Step 4: Simplify right side
    450,003.42x = 144,081,177,703.29
  5. Step 5: Solve for x
    x = 144,081,177,703.29/450,003.42
  6. Step 6: Final answer
    x = 320,177.96

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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.