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Finding the Fourth Proportional to 314,750.90, 434,356.26 and 171,510.92

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Solution

The fourth proportional to 314,750.90, 434,356.26 and 171,510.92 is: 236,685.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,750.90 : 434,356.26 = 171,510.92 : x
  2. Step 2: Convert to fraction form
    314,750.90/434,356.26 = 171,510.92/x
  3. Step 3: Cross multiply
    314,750.90x = 434,356.26 × 171,510.92
  4. Step 4: Simplify right side
    314,750.90x = 74,496,841,760.36
  5. Step 5: Solve for x
    x = 74,496,841,760.36/314,750.90
  6. Step 6: Final answer
    x = 236,685.08

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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.