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Finding the Fourth Proportional to 616,609.62, 851,058.54 and 374,841

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Solution

The fourth proportional to 616,609.62, 851,058.54 and 374,841 is: 517,364.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,609.62 : 851,058.54 = 374,841 : x
  2. Step 2: Convert to fraction form
    616,609.62/851,058.54 = 374,841/x
  3. Step 3: Cross multiply
    616,609.62x = 851,058.54 × 374,841
  4. Step 4: Simplify right side
    616,609.62x = 319,011,634,192.14
  5. Step 5: Solve for x
    x = 319,011,634,192.14/616,609.62
  6. Step 6: Final answer
    x = 517,364.02

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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.