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Finding the Fourth Proportional to 307,752.06, 424,696.23 and 171,778.14

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Solution

The fourth proportional to 307,752.06, 424,696.23 and 171,778.14 is: 237,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,752.06 : 424,696.23 = 171,778.14 : x
  2. Step 2: Convert to fraction form
    307,752.06/424,696.23 = 171,778.14/x
  3. Step 3: Cross multiply
    307,752.06x = 424,696.23 × 171,778.14
  4. Step 4: Simplify right side
    307,752.06x = 72,953,528,454.41
  5. Step 5: Solve for x
    x = 72,953,528,454.41/307,752.06
  6. Step 6: Final answer
    x = 237,052.93

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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.