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Finding the Fourth Proportional to 249,457.46, 343,846.86 and 194,914.25

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Solution

The fourth proportional to 249,457.46, 343,846.86 and 194,914.25 is: 268,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,457.46 : 343,846.86 = 194,914.25 : x
  2. Step 2: Convert to fraction form
    249,457.46/343,846.86 = 194,914.25/x
  3. Step 3: Cross multiply
    249,457.46x = 343,846.86 × 194,914.25
  4. Step 4: Simplify right side
    249,457.46x = 67,020,654,701.55
  5. Step 5: Solve for x
    x = 67,020,654,701.55/249,457.46
  6. Step 6: Final answer
    x = 268,665.67

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1.5x scale

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.