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Finding the Fourth Proportional to 437,574, 603,852.72 and 236,370

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Solution

The fourth proportional to 437,574, 603,852.72 and 236,370 is: 326,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,574 : 603,852.72 = 236,370 : x
  2. Step 2: Convert to fraction form
    437,574/603,852.72 = 236,370/x
  3. Step 3: Cross multiply
    437,574x = 603,852.72 × 236,370
  4. Step 4: Simplify right side
    437,574x = 142,732,667,426.40
  5. Step 5: Solve for x
    x = 142,732,667,426.40/437,574
  6. Step 6: Final answer
    x = 326,190.92

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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.