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Finding the Fourth Proportional to 397,862.04, 549,048.06 and 216,584.04

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Solution

The fourth proportional to 397,862.04, 549,048.06 and 216,584.04 is: 298,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,862.04 : 549,048.06 = 216,584.04 : x
  2. Step 2: Convert to fraction form
    397,862.04/549,048.06 = 216,584.04/x
  3. Step 3: Cross multiply
    397,862.04x = 549,048.06 × 216,584.04
  4. Step 4: Simplify right side
    397,862.04x = 118,915,046,988.96
  5. Step 5: Solve for x
    x = 118,915,046,988.96/397,862.04
  6. Step 6: Final answer
    x = 298,885.13

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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.