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Finding the Fourth Proportional to 343,522.60, 473,625.28 and 245,522.80

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Solution

The fourth proportional to 343,522.60, 473,625.28 and 245,522.80 is: 338,509.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,522.60 : 473,625.28 = 245,522.80 : x
  2. Step 2: Convert to fraction form
    343,522.60/473,625.28 = 245,522.80/x
  3. Step 3: Cross multiply
    343,522.60x = 473,625.28 × 245,522.80
  4. Step 4: Simplify right side
    343,522.60x = 116,285,804,896.38
  5. Step 5: Solve for x
    x = 116,285,804,896.38/343,522.60
  6. Step 6: Final answer
    x = 338,509.91

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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.