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Finding the Fourth Proportional to 536,896.32, 740,918.40 and 295,203.60

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Solution

The fourth proportional to 536,896.32, 740,918.40 and 295,203.60 is: 407,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,896.32 : 740,918.40 = 295,203.60 : x
  2. Step 2: Convert to fraction form
    536,896.32/740,918.40 = 295,203.60/x
  3. Step 3: Cross multiply
    536,896.32x = 740,918.40 × 295,203.60
  4. Step 4: Simplify right side
    536,896.32x = 218,721,778,986.24
  5. Step 5: Solve for x
    x = 218,721,778,986.24/536,896.32
  6. Step 6: Final answer
    x = 407,381.78

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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.