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Finding the Fourth Proportional to 768,158.51, 1,059,900.53 and 441,408.42

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Solution

The fourth proportional to 768,158.51, 1,059,900.53 and 441,408.42 is: 609,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,158.51 : 1,059,900.53 = 441,408.42 : x
  2. Step 2: Convert to fraction form
    768,158.51/1,059,900.53 = 441,408.42/x
  3. Step 3: Cross multiply
    768,158.51x = 1,059,900.53 × 441,408.42
  4. Step 4: Simplify right side
    768,158.51x = 467,849,016,097.42
  5. Step 5: Solve for x
    x = 467,849,016,097.42/768,158.51
  6. Step 6: Final answer
    x = 609,052.71

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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.