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Finding the Fourth Proportional to 574,925.07, 793,491.08 and 320,358.27

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Solution

The fourth proportional to 574,925.07, 793,491.08 and 320,358.27 is: 442,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,925.07 : 793,491.08 = 320,358.27 : x
  2. Step 2: Convert to fraction form
    574,925.07/793,491.08 = 320,358.27/x
  3. Step 3: Cross multiply
    574,925.07x = 793,491.08 × 320,358.27
  4. Step 4: Simplify right side
    574,925.07x = 254,201,428,047.44
  5. Step 5: Solve for x
    x = 254,201,428,047.44/574,925.07
  6. Step 6: Final answer
    x = 442,147.06

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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.