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Finding the Fourth Proportional to 354,735.60, 532,362.60 and 249,759.60

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Solution

The fourth proportional to 354,735.60, 532,362.60 and 249,759.60 is: 374,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,735.60 : 532,362.60 = 249,759.60 : x
  2. Step 2: Convert to fraction form
    354,735.60/532,362.60 = 249,759.60/x
  3. Step 3: Cross multiply
    354,735.60x = 532,362.60 × 249,759.60
  4. Step 4: Simplify right side
    354,735.60x = 132,962,670,030.96
  5. Step 5: Solve for x
    x = 132,962,670,030.96/354,735.60
  6. Step 6: Final answer
    x = 374,821.90

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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.