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Finding the Fourth Proportional to 370,231.48, 555,347.22 and 89,748.74

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Solution

The fourth proportional to 370,231.48, 555,347.22 and 89,748.74 is: 134,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,231.48 : 555,347.22 = 89,748.74 : x
  2. Step 2: Convert to fraction form
    370,231.48/555,347.22 = 89,748.74/x
  3. Step 3: Cross multiply
    370,231.48x = 555,347.22 × 89,748.74
  4. Step 4: Simplify right side
    370,231.48x = 49,841,713,257.50
  5. Step 5: Solve for x
    x = 49,841,713,257.50/370,231.48
  6. Step 6: Final answer
    x = 134,623.11

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Similar ratio
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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.