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Finding the Fourth Proportional to 330,950.69, 456,713.93 and 180,048.77

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Solution

The fourth proportional to 330,950.69, 456,713.93 and 180,048.77 is: 248,468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,950.69 : 456,713.93 = 180,048.77 : x
  2. Step 2: Convert to fraction form
    330,950.69/456,713.93 = 180,048.77/x
  3. Step 3: Cross multiply
    330,950.69x = 456,713.93 × 180,048.77
  4. Step 4: Simplify right side
    330,950.69x = 82,230,779,504.92
  5. Step 5: Solve for x
    x = 82,230,779,504.92/330,950.69
  6. Step 6: Final answer
    x = 248,468.38

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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.