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Finding the Fourth Proportional to 496,977.96, 685,598.70 and 292,889.88

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Solution

The fourth proportional to 496,977.96, 685,598.70 and 292,889.88 is: 404,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,977.96 : 685,598.70 = 292,889.88 : x
  2. Step 2: Convert to fraction form
    496,977.96/685,598.70 = 292,889.88/x
  3. Step 3: Cross multiply
    496,977.96x = 685,598.70 × 292,889.88
  4. Step 4: Simplify right side
    496,977.96x = 200,804,920,971.16
  5. Step 5: Solve for x
    x = 200,804,920,971.16/496,977.96
  6. Step 6: Final answer
    x = 404,051.96

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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.