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Finding the Fourth Proportional to 340,683.84, 470,143.68 and 197,527.04

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Solution

The fourth proportional to 340,683.84, 470,143.68 and 197,527.04 is: 272,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,683.84 : 470,143.68 = 197,527.04 : x
  2. Step 2: Convert to fraction form
    340,683.84/470,143.68 = 197,527.04/x
  3. Step 3: Cross multiply
    340,683.84x = 470,143.68 × 197,527.04
  4. Step 4: Simplify right side
    340,683.84x = 92,866,089,485.11
  5. Step 5: Solve for x
    x = 92,866,089,485.11/340,683.84
  6. Step 6: Final answer
    x = 272,587.30

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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.