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Finding the Fourth Proportional to 436,783.86, 602,715.33 and 245,794.14

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Solution

The fourth proportional to 436,783.86, 602,715.33 and 245,794.14 is: 339,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,783.86 : 602,715.33 = 245,794.14 : x
  2. Step 2: Convert to fraction form
    436,783.86/602,715.33 = 245,794.14/x
  3. Step 3: Cross multiply
    436,783.86x = 602,715.33 × 245,794.14
  4. Step 4: Simplify right side
    436,783.86x = 148,143,896,202.17
  5. Step 5: Solve for x
    x = 148,143,896,202.17/436,783.86
  6. Step 6: Final answer
    x = 339,169.80

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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.