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Finding the Fourth Proportional to 472,667.40, 708,409.80 and 236,076.12

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Solution

The fourth proportional to 472,667.40, 708,409.80 and 236,076.12 is: 353,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,667.40 : 708,409.80 = 236,076.12 : x
  2. Step 2: Convert to fraction form
    472,667.40/708,409.80 = 236,076.12/x
  3. Step 3: Cross multiply
    472,667.40x = 708,409.80 × 236,076.12
  4. Step 4: Simplify right side
    472,667.40x = 167,238,636,953.98
  5. Step 5: Solve for x
    x = 167,238,636,953.98/472,667.40
  6. Step 6: Final answer
    x = 353,818.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.