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Finding the Fourth Proportional to 702,348.50, 969,243.50 and 380,058.60

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Solution

The fourth proportional to 702,348.50, 969,243.50 and 380,058.60 is: 524,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,348.50 : 969,243.50 = 380,058.60 : x
  2. Step 2: Convert to fraction form
    702,348.50/969,243.50 = 380,058.60/x
  3. Step 3: Cross multiply
    702,348.50x = 969,243.50 × 380,058.60
  4. Step 4: Simplify right side
    702,348.50x = 368,369,327,669.10
  5. Step 5: Solve for x
    x = 368,369,327,669.10/702,348.50
  6. Step 6: Final answer
    x = 524,482.26

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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.