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Finding the Fourth Proportional to 307,951.04, 424,853.16 and 180,580.16

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Solution

The fourth proportional to 307,951.04, 424,853.16 and 180,580.16 is: 249,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,951.04 : 424,853.16 = 180,580.16 : x
  2. Step 2: Convert to fraction form
    307,951.04/424,853.16 = 180,580.16/x
  3. Step 3: Cross multiply
    307,951.04x = 424,853.16 × 180,580.16
  4. Step 4: Simplify right side
    307,951.04x = 76,720,051,609.31
  5. Step 5: Solve for x
    x = 76,720,051,609.31/307,951.04
  6. Step 6: Final answer
    x = 249,130.68

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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.