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Finding the Fourth Proportional to 341,354.80, 509,436.59 and 303,521.75

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Solution

The fourth proportional to 341,354.80, 509,436.59 and 303,521.75 is: 452,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,354.80 : 509,436.59 = 303,521.75 : x
  2. Step 2: Convert to fraction form
    341,354.80/509,436.59 = 303,521.75/x
  3. Step 3: Cross multiply
    341,354.80x = 509,436.59 × 303,521.75
  4. Step 4: Simplify right side
    341,354.80x = 154,625,081,246.04
  5. Step 5: Solve for x
    x = 154,625,081,246.04/341,354.80
  6. Step 6: Final answer
    x = 452,974.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.