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Finding the Fourth Proportional to 504,192.24, 695,801.16 and 289,375.92

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Solution

The fourth proportional to 504,192.24, 695,801.16 and 289,375.92 is: 399,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,192.24 : 695,801.16 = 289,375.92 : x
  2. Step 2: Convert to fraction form
    504,192.24/695,801.16 = 289,375.92/x
  3. Step 3: Cross multiply
    504,192.24x = 695,801.16 × 289,375.92
  4. Step 4: Simplify right side
    504,192.24x = 201,348,100,812.07
  5. Step 5: Solve for x
    x = 201,348,100,812.07/504,192.24
  6. Step 6: Final answer
    x = 399,347.88

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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.