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Finding the Fourth Proportional to 349,707.80, 524,433.18 and 125,007.60

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Solution

The fourth proportional to 349,707.80, 524,433.18 and 125,007.60 is: 187,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,707.80 : 524,433.18 = 125,007.60 : x
  2. Step 2: Convert to fraction form
    349,707.80/524,433.18 = 125,007.60/x
  3. Step 3: Cross multiply
    349,707.80x = 524,433.18 × 125,007.60
  4. Step 4: Simplify right side
    349,707.80x = 65,558,133,192.17
  5. Step 5: Solve for x
    x = 65,558,133,192.17/349,707.80
  6. Step 6: Final answer
    x = 187,465.46

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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.