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Finding the Fourth Proportional to 632,912.46, 873,420.48 and 346,450.86

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Solution

The fourth proportional to 632,912.46, 873,420.48 and 346,450.86 is: 478,102.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,912.46 : 873,420.48 = 346,450.86 : x
  2. Step 2: Convert to fraction form
    632,912.46/873,420.48 = 346,450.86/x
  3. Step 3: Cross multiply
    632,912.46x = 873,420.48 × 346,450.86
  4. Step 4: Simplify right side
    632,912.46x = 302,597,276,437.61
  5. Step 5: Solve for x
    x = 302,597,276,437.61/632,912.46
  6. Step 6: Final answer
    x = 478,102.89

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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.