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Finding the Fourth Proportional to 373,607.80, 560,411.70 and 124,289.80

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Solution

The fourth proportional to 373,607.80, 560,411.70 and 124,289.80 is: 186,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,607.80 : 560,411.70 = 124,289.80 : x
  2. Step 2: Convert to fraction form
    373,607.80/560,411.70 = 124,289.80/x
  3. Step 3: Cross multiply
    373,607.80x = 560,411.70 × 124,289.80
  4. Step 4: Simplify right side
    373,607.80x = 69,653,458,110.66
  5. Step 5: Solve for x
    x = 69,653,458,110.66/373,607.80
  6. Step 6: Final answer
    x = 186,434.70

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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.