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Finding the Fourth Proportional to 436,121.16, 601,758.98 and 254,798.06

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Solution

The fourth proportional to 436,121.16, 601,758.98 and 254,798.06 is: 351,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,121.16 : 601,758.98 = 254,798.06 : x
  2. Step 2: Convert to fraction form
    436,121.16/601,758.98 = 254,798.06/x
  3. Step 3: Cross multiply
    436,121.16x = 601,758.98 × 254,798.06
  4. Step 4: Simplify right side
    436,121.16x = 153,327,019,417.59
  5. Step 5: Solve for x
    x = 153,327,019,417.59/436,121.16
  6. Step 6: Final answer
    x = 351,569.78

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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.