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Finding the Fourth Proportional to 735,615, 1,096,985.16 and 728,888.63

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Solution

The fourth proportional to 735,615, 1,096,985.16 and 728,888.63 is: 1,086,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,615 : 1,096,985.16 = 728,888.63 : x
  2. Step 2: Convert to fraction form
    735,615/1,096,985.16 = 728,888.63/x
  3. Step 3: Cross multiply
    735,615x = 1,096,985.16 × 728,888.63
  4. Step 4: Simplify right side
    735,615x = 799,580,004,917.81
  5. Step 5: Solve for x
    x = 799,580,004,917.81/735,615
  6. Step 6: Final answer
    x = 1,086,954.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.