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Finding the Fourth Proportional to 370,260.82, 555,592.16 and 157,148.61

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Solution

The fourth proportional to 370,260.82, 555,592.16 and 157,148.61 is: 235,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,260.82 : 555,592.16 = 157,148.61 : x
  2. Step 2: Convert to fraction form
    370,260.82/555,592.16 = 157,148.61/x
  3. Step 3: Cross multiply
    370,260.82x = 555,592.16 × 157,148.61
  4. Step 4: Simplify right side
    370,260.82x = 87,310,533,980.30
  5. Step 5: Solve for x
    x = 87,310,533,980.30/370,260.82
  6. Step 6: Final answer
    x = 235,808.19

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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.