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Finding the Fourth Proportional to 314,683.92, 434,252.25 and 171,440.89

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Solution

The fourth proportional to 314,683.92, 434,252.25 and 171,440.89 is: 236,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,683.92 : 434,252.25 = 171,440.89 : x
  2. Step 2: Convert to fraction form
    314,683.92/434,252.25 = 171,440.89/x
  3. Step 3: Cross multiply
    314,683.92x = 434,252.25 × 171,440.89
  4. Step 4: Simplify right side
    314,683.92x = 74,448,592,224.50
  5. Step 5: Solve for x
    x = 74,448,592,224.50/314,683.92
  6. Step 6: Final answer
    x = 236,582.13

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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.