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Finding the Fourth Proportional to 556,180.96, 767,500.08 and 314,449.12

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Solution

The fourth proportional to 556,180.96, 767,500.08 and 314,449.12 is: 433,923.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,180.96 : 767,500.08 = 314,449.12 : x
  2. Step 2: Convert to fraction form
    556,180.96/767,500.08 = 314,449.12/x
  3. Step 3: Cross multiply
    556,180.96x = 767,500.08 × 314,449.12
  4. Step 4: Simplify right side
    556,180.96x = 241,339,724,755.93
  5. Step 5: Solve for x
    x = 241,339,724,755.93/556,180.96
  6. Step 6: Final answer
    x = 433,923.03

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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.