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Finding the Fourth Proportional to 370,215.51, 555,321.44 and 89,732.76

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Solution

The fourth proportional to 370,215.51, 555,321.44 and 89,732.76 is: 134,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,215.51 : 555,321.44 = 89,732.76 : x
  2. Step 2: Convert to fraction form
    370,215.51/555,321.44 = 89,732.76/x
  3. Step 3: Cross multiply
    370,215.51x = 555,321.44 × 89,732.76
  4. Step 4: Simplify right side
    370,215.51x = 49,830,525,049.71
  5. Step 5: Solve for x
    x = 49,830,525,049.71/370,215.51
  6. Step 6: Final answer
    x = 134,598.70

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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.