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Finding the Fourth Proportional to 431,064.96, 594,888.04 and 240,078.36

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Solution

The fourth proportional to 431,064.96, 594,888.04 and 240,078.36 is: 331,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,064.96 : 594,888.04 = 240,078.36 : x
  2. Step 2: Convert to fraction form
    431,064.96/594,888.04 = 240,078.36/x
  3. Step 3: Cross multiply
    431,064.96x = 594,888.04 × 240,078.36
  4. Step 4: Simplify right side
    431,064.96x = 142,819,745,026.81
  5. Step 5: Solve for x
    x = 142,819,745,026.81/431,064.96
  6. Step 6: Final answer
    x = 331,318.38

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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.