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Finding the Fourth Proportional to 304,684.54, 420,459.50 and 168,715.58

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Solution

The fourth proportional to 304,684.54, 420,459.50 and 168,715.58 is: 232,824.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,684.54 : 420,459.50 = 168,715.58 : x
  2. Step 2: Convert to fraction form
    304,684.54/420,459.50 = 168,715.58/x
  3. Step 3: Cross multiply
    304,684.54x = 420,459.50 × 168,715.58
  4. Step 4: Simplify right side
    304,684.54x = 70,938,068,409.01
  5. Step 5: Solve for x
    x = 70,938,068,409.01/304,684.54
  6. Step 6: Final answer
    x = 232,824.64

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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.