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Finding the Fourth Proportional to 318,017.94, 438,855.48 and 182,047.38

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Solution

The fourth proportional to 318,017.94, 438,855.48 and 182,047.38 is: 251,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,017.94 : 438,855.48 = 182,047.38 : x
  2. Step 2: Convert to fraction form
    318,017.94/438,855.48 = 182,047.38/x
  3. Step 3: Cross multiply
    318,017.94x = 438,855.48 × 182,047.38
  4. Step 4: Simplify right side
    318,017.94x = 79,892,490,332.64
  5. Step 5: Solve for x
    x = 79,892,490,332.64/318,017.94
  6. Step 6: Final answer
    x = 251,220.07

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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.