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Finding the Fourth Proportional to 351,801.03, 485,537.53 and 222,751.50

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Solution

The fourth proportional to 351,801.03, 485,537.53 and 222,751.50 is: 307,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,801.03 : 485,537.53 = 222,751.50 : x
  2. Step 2: Convert to fraction form
    351,801.03/485,537.53 = 222,751.50/x
  3. Step 3: Cross multiply
    351,801.03x = 485,537.53 × 222,751.50
  4. Step 4: Simplify right side
    351,801.03x = 108,154,209,572.35
  5. Step 5: Solve for x
    x = 108,154,209,572.35/351,801.03
  6. Step 6: Final answer
    x = 307,430.06

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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.