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Finding the Fourth Proportional to 404,519.09, 558,000.63 and 259,273.13

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Solution

The fourth proportional to 404,519.09, 558,000.63 and 259,273.13 is: 357,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,519.09 : 558,000.63 = 259,273.13 : x
  2. Step 2: Convert to fraction form
    404,519.09/558,000.63 = 259,273.13/x
  3. Step 3: Cross multiply
    404,519.09x = 558,000.63 × 259,273.13
  4. Step 4: Simplify right side
    404,519.09x = 144,674,569,882.07
  5. Step 5: Solve for x
    x = 144,674,569,882.07/404,519.09
  6. Step 6: Final answer
    x = 357,645.84

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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.