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Finding the Fourth Proportional to 436,713.05, 602,662.77 and 245,726.46

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Solution

The fourth proportional to 436,713.05, 602,662.77 and 245,726.46 is: 339,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,713.05 : 602,662.77 = 245,726.46 : x
  2. Step 2: Convert to fraction form
    436,713.05/602,662.77 = 245,726.46/x
  3. Step 3: Cross multiply
    436,713.05x = 602,662.77 × 245,726.46
  4. Step 4: Simplify right side
    436,713.05x = 148,090,189,045.89
  5. Step 5: Solve for x
    x = 148,090,189,045.89/436,713.05
  6. Step 6: Final answer
    x = 339,101.82

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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.