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Finding the Fourth Proportional to 358,071.58, 537,107.40 and 168,414.06

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Solution

The fourth proportional to 358,071.58, 537,107.40 and 168,414.06 is: 252,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,071.58 : 537,107.40 = 168,414.06 : x
  2. Step 2: Convert to fraction form
    358,071.58/537,107.40 = 168,414.06/x
  3. Step 3: Cross multiply
    358,071.58x = 537,107.40 × 168,414.06
  4. Step 4: Simplify right side
    358,071.58x = 90,456,437,890.04
  5. Step 5: Solve for x
    x = 90,456,437,890.04/358,071.58
  6. Step 6: Final answer
    x = 252,621.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.