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Finding the Fourth Proportional to 417,749.44, 626,429.76 and 151,499.20

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Solution

The fourth proportional to 417,749.44, 626,429.76 and 151,499.20 is: 227,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,749.44 : 626,429.76 = 151,499.20 : x
  2. Step 2: Convert to fraction form
    417,749.44/626,429.76 = 151,499.20/x
  3. Step 3: Cross multiply
    417,749.44x = 626,429.76 × 151,499.20
  4. Step 4: Simplify right side
    417,749.44x = 94,903,607,496.19
  5. Step 5: Solve for x
    x = 94,903,607,496.19/417,749.44
  6. Step 6: Final answer
    x = 227,178.30

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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.