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Finding the Fourth Proportional to 436,900.39, 602,884.13 and 243,293.48

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Solution

The fourth proportional to 436,900.39, 602,884.13 and 243,293.48 is: 335,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,900.39 : 602,884.13 = 243,293.48 : x
  2. Step 2: Convert to fraction form
    436,900.39/602,884.13 = 243,293.48/x
  3. Step 3: Cross multiply
    436,900.39x = 602,884.13 × 243,293.48
  4. Step 4: Simplify right side
    436,900.39x = 146,677,778,024.47
  5. Step 5: Solve for x
    x = 146,677,778,024.47/436,900.39
  6. Step 6: Final answer
    x = 335,723.61

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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.