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Finding the Fourth Proportional to 436,859.68, 602,885.76 and 245,885.44

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Solution

The fourth proportional to 436,859.68, 602,885.76 and 245,885.44 is: 339,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,859.68 : 602,885.76 = 245,885.44 : x
  2. Step 2: Convert to fraction form
    436,859.68/602,885.76 = 245,885.44/x
  3. Step 3: Cross multiply
    436,859.68x = 602,885.76 × 245,885.44
  4. Step 4: Simplify right side
    436,859.68x = 148,240,830,367.33
  5. Step 5: Solve for x
    x = 148,240,830,367.33/436,859.68
  6. Step 6: Final answer
    x = 339,332.83

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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.