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Finding the Fourth Proportional to 436,896.38, 602,772.44 and 255,479.77

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Solution

The fourth proportional to 436,896.38, 602,772.44 and 255,479.77 is: 352,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,896.38 : 602,772.44 = 255,479.77 : x
  2. Step 2: Convert to fraction form
    436,896.38/602,772.44 = 255,479.77/x
  3. Step 3: Cross multiply
    436,896.38x = 602,772.44 × 255,479.77
  4. Step 4: Simplify right side
    436,896.38x = 153,996,163,809.61
  5. Step 5: Solve for x
    x = 153,996,163,809.61/436,896.38
  6. Step 6: Final answer
    x = 352,477.54

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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.