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Finding the Fourth Proportional to 364,555.50, 503,106.03 and 213,701.10

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Solution

The fourth proportional to 364,555.50, 503,106.03 and 213,701.10 is: 294,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,555.50 : 503,106.03 = 213,701.10 : x
  2. Step 2: Convert to fraction form
    364,555.50/503,106.03 = 213,701.10/x
  3. Step 3: Cross multiply
    364,555.50x = 503,106.03 × 213,701.10
  4. Step 4: Simplify right side
    364,555.50x = 107,514,312,027.63
  5. Step 5: Solve for x
    x = 107,514,312,027.63/364,555.50
  6. Step 6: Final answer
    x = 294,918.91

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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.