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Finding the Fourth Proportional to 571,494.24, 788,662.08 and 316,839.84

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Solution

The fourth proportional to 571,494.24, 788,662.08 and 316,839.84 is: 437,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,494.24 : 788,662.08 = 316,839.84 : x
  2. Step 2: Convert to fraction form
    571,494.24/788,662.08 = 316,839.84/x
  3. Step 3: Cross multiply
    571,494.24x = 788,662.08 × 316,839.84
  4. Step 4: Simplify right side
    571,494.24x = 249,879,567,241.27
  5. Step 5: Solve for x
    x = 249,879,567,241.27/571,494.24
  6. Step 6: Final answer
    x = 437,239.00

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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.