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Finding the Fourth Proportional to 249,568.60, 374,352.90 and 205,245.40

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Solution

The fourth proportional to 249,568.60, 374,352.90 and 205,245.40 is: 307,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,568.60 : 374,352.90 = 205,245.40 : x
  2. Step 2: Convert to fraction form
    249,568.60/374,352.90 = 205,245.40/x
  3. Step 3: Cross multiply
    249,568.60x = 374,352.90 × 205,245.40
  4. Step 4: Simplify right side
    249,568.60x = 76,834,210,701.66
  5. Step 5: Solve for x
    x = 76,834,210,701.66/249,568.60
  6. Step 6: Final answer
    x = 307,868.10

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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.