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Finding the Fourth Proportional to 574,925.32, 793,491.42 and 320,358.52

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Solution

The fourth proportional to 574,925.32, 793,491.42 and 320,358.52 is: 442,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,925.32 : 793,491.42 = 320,358.52 : x
  2. Step 2: Convert to fraction form
    574,925.32/793,491.42 = 320,358.52/x
  3. Step 3: Cross multiply
    574,925.32x = 793,491.42 × 320,358.52
  4. Step 4: Simplify right side
    574,925.32x = 254,201,736,943.90
  5. Step 5: Solve for x
    x = 254,201,736,943.90/574,925.32
  6. Step 6: Final answer
    x = 442,147.40

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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.