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Finding the Fourth Proportional to 629,178.76, 943,394.85 and 249,895.45

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Solution

The fourth proportional to 629,178.76, 943,394.85 and 249,895.45 is: 374,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,178.76 : 943,394.85 = 249,895.45 : x
  2. Step 2: Convert to fraction form
    629,178.76/943,394.85 = 249,895.45/x
  3. Step 3: Cross multiply
    629,178.76x = 943,394.85 × 249,895.45
  4. Step 4: Simplify right side
    629,178.76x = 235,750,080,568.43
  5. Step 5: Solve for x
    x = 235,750,080,568.43/629,178.76
  6. Step 6: Final answer
    x = 374,694.91

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1.5x scale

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.