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Finding the Fourth Proportional to 436,660.76, 602,585.67 and 245,673.69

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Solution

The fourth proportional to 436,660.76, 602,585.67 and 245,673.69 is: 339,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,660.76 : 602,585.67 = 245,673.69 : x
  2. Step 2: Convert to fraction form
    436,660.76/602,585.67 = 245,673.69/x
  3. Step 3: Cross multiply
    436,660.76x = 602,585.67 × 245,673.69
  4. Step 4: Simplify right side
    436,660.76x = 148,039,446,167.73
  5. Step 5: Solve for x
    x = 148,039,446,167.73/436,660.76
  6. Step 6: Final answer
    x = 339,026.22

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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.