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Finding the Fourth Proportional to 329,386.50, 454,553.37 and 178,483.50

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Solution

The fourth proportional to 329,386.50, 454,553.37 and 178,483.50 is: 246,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,386.50 : 454,553.37 = 178,483.50 : x
  2. Step 2: Convert to fraction form
    329,386.50/454,553.37 = 178,483.50/x
  3. Step 3: Cross multiply
    329,386.50x = 454,553.37 × 178,483.50
  4. Step 4: Simplify right side
    329,386.50x = 81,130,276,414.40
  5. Step 5: Solve for x
    x = 81,130,276,414.40/329,386.50
  6. Step 6: Final answer
    x = 246,307.23

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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.