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Finding the Fourth Proportional to 574,988.04, 793,508.04 and 320,339.16

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Solution

The fourth proportional to 574,988.04, 793,508.04 and 320,339.16 is: 442,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,988.04 : 793,508.04 = 320,339.16 : x
  2. Step 2: Convert to fraction form
    574,988.04/793,508.04 = 320,339.16/x
  3. Step 3: Cross multiply
    574,988.04x = 793,508.04 × 320,339.16
  4. Step 4: Simplify right side
    574,988.04x = 254,191,698,986.85
  5. Step 5: Solve for x
    x = 254,191,698,986.85/574,988.04
  6. Step 6: Final answer
    x = 442,081.72

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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.