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Finding the Fourth Proportional to 373,762.40, 560,717.44 and 137,107.12

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Solution

The fourth proportional to 373,762.40, 560,717.44 and 137,107.12 is: 205,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,762.40 : 560,717.44 = 137,107.12 : x
  2. Step 2: Convert to fraction form
    373,762.40/560,717.44 = 137,107.12/x
  3. Step 3: Cross multiply
    373,762.40x = 560,717.44 × 137,107.12
  4. Step 4: Simplify right side
    373,762.40x = 76,878,353,332.17
  5. Step 5: Solve for x
    x = 76,878,353,332.17/373,762.40
  6. Step 6: Final answer
    x = 205,687.77

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1.5x scale

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.