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Finding the Fourth Proportional to 358,727.66, 495,234.15 and 277,973.90

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Solution

The fourth proportional to 358,727.66, 495,234.15 and 277,973.90 is: 383,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,727.66 : 495,234.15 = 277,973.90 : x
  2. Step 2: Convert to fraction form
    358,727.66/495,234.15 = 277,973.90/x
  3. Step 3: Cross multiply
    358,727.66x = 495,234.15 × 277,973.90
  4. Step 4: Simplify right side
    358,727.66x = 137,662,168,088.69
  5. Step 5: Solve for x
    x = 137,662,168,088.69/358,727.66
  6. Step 6: Final answer
    x = 383,751.19

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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.