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Finding the Fourth Proportional to 431,667.40, 594,345.46 and 367,009.48

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Solution

The fourth proportional to 431,667.40, 594,345.46 and 367,009.48 is: 505,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,667.40 : 594,345.46 = 367,009.48 : x
  2. Step 2: Convert to fraction form
    431,667.40/594,345.46 = 367,009.48/x
  3. Step 3: Cross multiply
    431,667.40x = 594,345.46 × 367,009.48
  4. Step 4: Simplify right side
    431,667.40x = 218,130,418,214.96
  5. Step 5: Solve for x
    x = 218,130,418,214.96/431,667.40
  6. Step 6: Final answer
    x = 505,320.57

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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.