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Finding the Fourth Proportional to 537,659.98, 806,628.32 and 158,565.40

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Solution

The fourth proportional to 537,659.98, 806,628.32 and 158,565.40 is: 237,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,659.98 : 806,628.32 = 158,565.40 : x
  2. Step 2: Convert to fraction form
    537,659.98/806,628.32 = 158,565.40/x
  3. Step 3: Cross multiply
    537,659.98x = 806,628.32 × 158,565.40
  4. Step 4: Simplify right side
    537,659.98x = 127,903,340,889.28
  5. Step 5: Solve for x
    x = 127,903,340,889.28/537,659.98
  6. Step 6: Final answer
    x = 237,888.90

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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.