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Finding the Fourth Proportional to 436,114.84, 601,855.54 and 245,127.64

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Solution

The fourth proportional to 436,114.84, 601,855.54 and 245,127.64 is: 338,285.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,114.84 : 601,855.54 = 245,127.64 : x
  2. Step 2: Convert to fraction form
    436,114.84/601,855.54 = 245,127.64/x
  3. Step 3: Cross multiply
    436,114.84x = 601,855.54 × 245,127.64
  4. Step 4: Simplify right side
    436,114.84x = 147,531,428,141.13
  5. Step 5: Solve for x
    x = 147,531,428,141.13/436,114.84
  6. Step 6: Final answer
    x = 338,285.73

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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.