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Finding the Fourth Proportional to 622,554.82, 859,186.76 and 364,416.22

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Solution

The fourth proportional to 622,554.82, 859,186.76 and 364,416.22 is: 502,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,554.82 : 859,186.76 = 364,416.22 : x
  2. Step 2: Convert to fraction form
    622,554.82/859,186.76 = 364,416.22/x
  3. Step 3: Cross multiply
    622,554.82x = 859,186.76 × 364,416.22
  4. Step 4: Simplify right side
    622,554.82x = 313,101,592,654.99
  5. Step 5: Solve for x
    x = 313,101,592,654.99/622,554.82
  6. Step 6: Final answer
    x = 502,930.16

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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.