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Finding the Fourth Proportional to 249,170.40, 373,755.60 and 205,430.40

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Solution

The fourth proportional to 249,170.40, 373,755.60 and 205,430.40 is: 308,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,170.40 : 373,755.60 = 205,430.40 : x
  2. Step 2: Convert to fraction form
    249,170.40/373,755.60 = 205,430.40/x
  3. Step 3: Cross multiply
    249,170.40x = 373,755.60 × 205,430.40
  4. Step 4: Simplify right side
    249,170.40x = 76,780,762,410.24
  5. Step 5: Solve for x
    x = 76,780,762,410.24/249,170.40
  6. Step 6: Final answer
    x = 308,145.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.