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Finding the Fourth Proportional to 360,447.17, 540,752.76 and 191,878.67

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Solution

The fourth proportional to 360,447.17, 540,752.76 and 191,878.67 is: 287,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,447.17 : 540,752.76 = 191,878.67 : x
  2. Step 2: Convert to fraction form
    360,447.17/540,752.76 = 191,878.67/x
  3. Step 3: Cross multiply
    360,447.17x = 540,752.76 × 191,878.67
  4. Step 4: Simplify right side
    360,447.17x = 103,758,921,739.51
  5. Step 5: Solve for x
    x = 103,758,921,739.51/360,447.17
  6. Step 6: Final answer
    x = 287,861.67

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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.