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Finding the Fourth Proportional to 556,604.01, 768,114.96 and 301,955.16

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Solution

The fourth proportional to 556,604.01, 768,114.96 and 301,955.16 is: 416,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,604.01 : 768,114.96 = 301,955.16 : x
  2. Step 2: Convert to fraction form
    556,604.01/768,114.96 = 301,955.16/x
  3. Step 3: Cross multiply
    556,604.01x = 768,114.96 × 301,955.16
  4. Step 4: Simplify right side
    556,604.01x = 231,936,275,645.19
  5. Step 5: Solve for x
    x = 231,936,275,645.19/556,604.01
  6. Step 6: Final answer
    x = 416,698.89

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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.