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Finding the Fourth Proportional to 381,303.18, 525,979.76 and 237,814.11

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Solution

The fourth proportional to 381,303.18, 525,979.76 and 237,814.11 is: 328,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,303.18 : 525,979.76 = 237,814.11 : x
  2. Step 2: Convert to fraction form
    381,303.18/525,979.76 = 237,814.11/x
  3. Step 3: Cross multiply
    381,303.18x = 525,979.76 × 237,814.11
  4. Step 4: Simplify right side
    381,303.18x = 125,085,408,502.41
  5. Step 5: Solve for x
    x = 125,085,408,502.41/381,303.18
  6. Step 6: Final answer
    x = 328,047.12

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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.