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Finding the Fourth Proportional to 556,615.96, 768,130.33 and 301,967.12

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Solution

The fourth proportional to 556,615.96, 768,130.33 and 301,967.12 is: 416,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,615.96 : 768,130.33 = 301,967.12 : x
  2. Step 2: Convert to fraction form
    556,615.96/768,130.33 = 301,967.12/x
  3. Step 3: Cross multiply
    556,615.96x = 768,130.33 × 301,967.12
  4. Step 4: Simplify right side
    556,615.96x = 231,950,103,534.75
  5. Step 5: Solve for x
    x = 231,950,103,534.75/556,615.96
  6. Step 6: Final answer
    x = 416,714.79

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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.