Home / 358,146.29-493,988.99-304,059.04

Finding the Fourth Proportional to 358,146.29, 493,988.99 and 304,059.04

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Solution

The fourth proportional to 358,146.29, 493,988.99 and 304,059.04 is: 419,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,146.29 : 493,988.99 = 304,059.04 : x
  2. Step 2: Convert to fraction form
    358,146.29/493,988.99 = 304,059.04/x
  3. Step 3: Cross multiply
    358,146.29x = 493,988.99 × 304,059.04
  4. Step 4: Simplify right side
    358,146.29x = 150,201,815,314.70
  5. Step 5: Solve for x
    x = 150,201,815,314.70/358,146.29
  6. Step 6: Final answer
    x = 419,386.77

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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.