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Finding the Fourth Proportional to 431,666.40, 594,344.08 and 367,008.48

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Solution

The fourth proportional to 431,666.40, 594,344.08 and 367,008.48 is: 505,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,666.40 : 594,344.08 = 367,008.48 : x
  2. Step 2: Convert to fraction form
    431,666.40/594,344.08 = 367,008.48/x
  3. Step 3: Cross multiply
    431,666.40x = 594,344.08 × 367,008.48
  4. Step 4: Simplify right side
    431,666.40x = 218,129,317,397.80
  5. Step 5: Solve for x
    x = 218,129,317,397.80/431,666.40
  6. Step 6: Final answer
    x = 505,319.19

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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.