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Finding the Fourth Proportional to 344,304, 516,475.44 and 122,688

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Solution

The fourth proportional to 344,304, 516,475.44 and 122,688 is: 184,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,304 : 516,475.44 = 122,688 : x
  2. Step 2: Convert to fraction form
    344,304/516,475.44 = 122,688/x
  3. Step 3: Cross multiply
    344,304x = 516,475.44 × 122,688
  4. Step 4: Simplify right side
    344,304x = 63,365,338,782.72
  5. Step 5: Solve for x
    x = 63,365,338,782.72/344,304
  6. Step 6: Final answer
    x = 184,038.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.