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Finding the Fourth Proportional to 934,058, 1,289,001.48 and 531,650

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Solution

The fourth proportional to 934,058, 1,289,001.48 and 531,650 is: 733,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,058 : 1,289,001.48 = 531,650 : x
  2. Step 2: Convert to fraction form
    934,058/1,289,001.48 = 531,650/x
  3. Step 3: Cross multiply
    934,058x = 1,289,001.48 × 531,650
  4. Step 4: Simplify right side
    934,058x = 685,297,636,842
  5. Step 5: Solve for x
    x = 685,297,636,842/934,058
  6. Step 6: Final answer
    x = 733,677.82

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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.