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Finding the Fourth Proportional to 302,495.72, 452,950.86 and 213,266.12

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Solution

The fourth proportional to 302,495.72, 452,950.86 and 213,266.12 is: 319,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,495.72 : 452,950.86 = 213,266.12 : x
  2. Step 2: Convert to fraction form
    302,495.72/452,950.86 = 213,266.12/x
  3. Step 3: Cross multiply
    302,495.72x = 452,950.86 × 213,266.12
  4. Step 4: Simplify right side
    302,495.72x = 96,599,072,462.86
  5. Step 5: Solve for x
    x = 96,599,072,462.86/302,495.72
  6. Step 6: Final answer
    x = 319,340.30

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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.