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Finding the Fourth Proportional to 436,562.96, 602,403 and 275,357.12

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Solution

The fourth proportional to 436,562.96, 602,403 and 275,357.12 is: 379,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,562.96 : 602,403 = 275,357.12 : x
  2. Step 2: Convert to fraction form
    436,562.96/602,403 = 275,357.12/x
  3. Step 3: Cross multiply
    436,562.96x = 602,403 × 275,357.12
  4. Step 4: Simplify right side
    436,562.96x = 165,875,955,159.36
  5. Step 5: Solve for x
    x = 165,875,955,159.36/436,562.96
  6. Step 6: Final answer
    x = 379,958.84

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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.