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Finding the Fourth Proportional to 590,458.30, 814,943.69 and 369,797.89

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Solution

The fourth proportional to 590,458.30, 814,943.69 and 369,797.89 is: 510,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,458.30 : 814,943.69 = 369,797.89 : x
  2. Step 2: Convert to fraction form
    590,458.30/814,943.69 = 369,797.89/x
  3. Step 3: Cross multiply
    590,458.30x = 814,943.69 × 369,797.89
  4. Step 4: Simplify right side
    590,458.30x = 301,364,457,030.81
  5. Step 5: Solve for x
    x = 301,364,457,030.81/590,458.30
  6. Step 6: Final answer
    x = 510,390.75

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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.