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Finding the Fourth Proportional to 622,840.68, 934,261 and 149,526.04

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Solution

The fourth proportional to 622,840.68, 934,261 and 149,526.04 is: 224,289.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,840.68 : 934,261 = 149,526.04 : x
  2. Step 2: Convert to fraction form
    622,840.68/934,261 = 149,526.04/x
  3. Step 3: Cross multiply
    622,840.68x = 934,261 × 149,526.04
  4. Step 4: Simplify right side
    622,840.68x = 139,696,347,656.44
  5. Step 5: Solve for x
    x = 139,696,347,656.44/622,840.68
  6. Step 6: Final answer
    x = 224,289.06

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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.