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Finding the Fourth Proportional to 622,605.74, 859,386.45 and 364,543.19

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Solution

The fourth proportional to 622,605.74, 859,386.45 and 364,543.19 is: 503,181.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,605.74 : 859,386.45 = 364,543.19 : x
  2. Step 2: Convert to fraction form
    622,605.74/859,386.45 = 364,543.19/x
  3. Step 3: Cross multiply
    622,605.74x = 859,386.45 × 364,543.19
  4. Step 4: Simplify right side
    622,605.74x = 313,283,473,628.84
  5. Step 5: Solve for x
    x = 313,283,473,628.84/622,605.74
  6. Step 6: Final answer
    x = 503,181.16

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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.