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Finding the Fourth Proportional to 556,183.56, 767,535 and 301,534.94

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Solution

The fourth proportional to 556,183.56, 767,535 and 301,534.94 is: 416,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,183.56 : 767,535 = 301,534.94 : x
  2. Step 2: Convert to fraction form
    556,183.56/767,535 = 301,534.94/x
  3. Step 3: Cross multiply
    556,183.56x = 767,535 × 301,534.94
  4. Step 4: Simplify right side
    556,183.56x = 231,438,620,172.90
  5. Step 5: Solve for x
    x = 231,438,620,172.90/556,183.56
  6. Step 6: Final answer
    x = 416,119.13

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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.