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Finding the Fourth Proportional to 304,886.33, 455,154.38 and 284,625.09

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Solution

The fourth proportional to 304,886.33, 455,154.38 and 284,625.09 is: 424,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,886.33 : 455,154.38 = 284,625.09 : x
  2. Step 2: Convert to fraction form
    304,886.33/455,154.38 = 284,625.09/x
  3. Step 3: Cross multiply
    304,886.33x = 455,154.38 × 284,625.09
  4. Step 4: Simplify right side
    304,886.33x = 129,548,357,082.96
  5. Step 5: Solve for x
    x = 129,548,357,082.96/304,886.33
  6. Step 6: Final answer
    x = 424,907.08

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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.