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Finding the Fourth Proportional to 436,434.48, 602,209.17 and 245,436.48

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Solution

The fourth proportional to 436,434.48, 602,209.17 and 245,436.48 is: 338,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,434.48 : 602,209.17 = 245,436.48 : x
  2. Step 2: Convert to fraction form
    436,434.48/602,209.17 = 245,436.48/x
  3. Step 3: Cross multiply
    436,434.48x = 602,209.17 × 245,436.48
  4. Step 4: Simplify right side
    436,434.48x = 147,804,098,908.52
  5. Step 5: Solve for x
    x = 147,804,098,908.52/436,434.48
  6. Step 6: Final answer
    x = 338,662.74

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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.