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Finding the Fourth Proportional to 610,031.05, 841,842.93 and 338,116.48

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Solution

The fourth proportional to 610,031.05, 841,842.93 and 338,116.48 is: 466,600.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,031.05 : 841,842.93 = 338,116.48 : x
  2. Step 2: Convert to fraction form
    610,031.05/841,842.93 = 338,116.48/x
  3. Step 3: Cross multiply
    610,031.05x = 841,842.93 × 338,116.48
  4. Step 4: Simplify right side
    610,031.05x = 284,640,968,204.49
  5. Step 5: Solve for x
    x = 284,640,968,204.49/610,031.05
  6. Step 6: Final answer
    x = 466,600.79

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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.