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Finding the Fourth Proportional to 436,678.05, 602,572.86 and 245,687.34

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Solution

The fourth proportional to 436,678.05, 602,572.86 and 245,687.34 is: 339,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,678.05 : 602,572.86 = 245,687.34 : x
  2. Step 2: Convert to fraction form
    436,678.05/602,572.86 = 245,687.34/x
  3. Step 3: Cross multiply
    436,678.05x = 602,572.86 × 245,687.34
  4. Step 4: Simplify right side
    436,678.05x = 148,044,523,129.59
  5. Step 5: Solve for x
    x = 148,044,523,129.59/436,678.05
  6. Step 6: Final answer
    x = 339,024.42

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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.