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Finding the Fourth Proportional to 473,611.74, 653,589.99 and 258,754.38

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Solution

The fourth proportional to 473,611.74, 653,589.99 and 258,754.38 is: 357,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,611.74 : 653,589.99 = 258,754.38 : x
  2. Step 2: Convert to fraction form
    473,611.74/653,589.99 = 258,754.38/x
  3. Step 3: Cross multiply
    473,611.74x = 653,589.99 × 258,754.38
  4. Step 4: Simplify right side
    473,611.74x = 169,119,272,636.66
  5. Step 5: Solve for x
    x = 169,119,272,636.66/473,611.74
  6. Step 6: Final answer
    x = 357,084.21

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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.