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Finding the Fourth Proportional to 478,317.03, 717,475.55 and 416,731.11

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Solution

The fourth proportional to 478,317.03, 717,475.55 and 416,731.11 is: 625,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,317.03 : 717,475.55 = 416,731.11 : x
  2. Step 2: Convert to fraction form
    478,317.03/717,475.55 = 416,731.11/x
  3. Step 3: Cross multiply
    478,317.03x = 717,475.55 × 416,731.11
  4. Step 4: Simplify right side
    478,317.03x = 298,994,380,265.71
  5. Step 5: Solve for x
    x = 298,994,380,265.71/478,317.03
  6. Step 6: Final answer
    x = 625,096.67

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Similar ratio
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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.