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Finding the Fourth Proportional to 364,580.00, 503,045.29 and 209,501.31

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Solution

The fourth proportional to 364,580.00, 503,045.29 and 209,501.31 is: 289,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,580.00 : 503,045.29 = 209,501.31 : x
  2. Step 2: Convert to fraction form
    364,580.00/503,045.29 = 209,501.31/x
  3. Step 3: Cross multiply
    364,580.00x = 503,045.29 × 209,501.31
  4. Step 4: Simplify right side
    364,580.00x = 105,388,646,799.37
  5. Step 5: Solve for x
    x = 105,388,646,799.37/364,580.00
  6. Step 6: Final answer
    x = 289,068.65

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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.