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Finding the Fourth Proportional to 555,841, 767,063.24 and 301,192.64

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Solution

The fourth proportional to 555,841, 767,063.24 and 301,192.64 is: 415,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,841 : 767,063.24 = 301,192.64 : x
  2. Step 2: Convert to fraction form
    555,841/767,063.24 = 301,192.64/x
  3. Step 3: Cross multiply
    555,841x = 767,063.24 × 301,192.64
  4. Step 4: Simplify right side
    555,841x = 231,033,802,302.55
  5. Step 5: Solve for x
    x = 231,033,802,302.55/555,841
  6. Step 6: Final answer
    x = 415,647.28

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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.