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Finding the Fourth Proportional to 716,099.22, 988,242.94 and 410,234.72

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Solution

The fourth proportional to 716,099.22, 988,242.94 and 410,234.72 is: 566,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,099.22 : 988,242.94 = 410,234.72 : x
  2. Step 2: Convert to fraction form
    716,099.22/988,242.94 = 410,234.72/x
  3. Step 3: Cross multiply
    716,099.22x = 988,242.94 × 410,234.72
  4. Step 4: Simplify right side
    716,099.22x = 405,411,565,782.88
  5. Step 5: Solve for x
    x = 405,411,565,782.88/716,099.22
  6. Step 6: Final answer
    x = 566,138.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.