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Finding the Fourth Proportional to 431,462.94, 595,421.64 and 240,488.46

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Solution

The fourth proportional to 431,462.94, 595,421.64 and 240,488.46 is: 331,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,462.94 : 595,421.64 = 240,488.46 : x
  2. Step 2: Convert to fraction form
    431,462.94/595,421.64 = 240,488.46/x
  3. Step 3: Cross multiply
    431,462.94x = 595,421.64 × 240,488.46
  4. Step 4: Simplify right side
    431,462.94x = 143,192,033,254.27
  5. Step 5: Solve for x
    x = 143,192,033,254.27/431,462.94
  6. Step 6: Final answer
    x = 331,875.63

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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.