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Finding the Fourth Proportional to 511,605.63, 767,277.54 and 151,692.30

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Solution

The fourth proportional to 511,605.63, 767,277.54 and 151,692.30 is: 227,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,605.63 : 767,277.54 = 151,692.30 : x
  2. Step 2: Convert to fraction form
    511,605.63/767,277.54 = 151,692.30/x
  3. Step 3: Cross multiply
    511,605.63x = 767,277.54 × 151,692.30
  4. Step 4: Simplify right side
    511,605.63x = 116,390,094,780.94
  5. Step 5: Solve for x
    x = 116,390,094,780.94/511,605.63
  6. Step 6: Final answer
    x = 227,499.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.