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Finding the Fourth Proportional to 436,605.54, 602,295.18 and 255,198.96

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Solution

The fourth proportional to 436,605.54, 602,295.18 and 255,198.96 is: 352,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,605.54 : 602,295.18 = 255,198.96 : x
  2. Step 2: Convert to fraction form
    436,605.54/602,295.18 = 255,198.96/x
  3. Step 3: Cross multiply
    436,605.54x = 602,295.18 × 255,198.96
  4. Step 4: Simplify right side
    436,605.54x = 153,705,103,549.01
  5. Step 5: Solve for x
    x = 153,705,103,549.01/436,605.54
  6. Step 6: Final answer
    x = 352,045.70

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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.