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Finding the Fourth Proportional to 450,041.67, 675,394.70 and 213,385.23

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Solution

The fourth proportional to 450,041.67, 675,394.70 and 213,385.23 is: 320,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,041.67 : 675,394.70 = 213,385.23 : x
  2. Step 2: Convert to fraction form
    450,041.67/675,394.70 = 213,385.23/x
  3. Step 3: Cross multiply
    450,041.67x = 675,394.70 × 213,385.23
  4. Step 4: Simplify right side
    450,041.67x = 144,119,252,333.36
  5. Step 5: Solve for x
    x = 144,119,252,333.36/450,041.67
  6. Step 6: Final answer
    x = 320,235.35

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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.