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Finding the Fourth Proportional to 314,756.33, 472,208.16 and 125,227.43

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Solution

The fourth proportional to 314,756.33, 472,208.16 and 125,227.43 is: 187,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,756.33 : 472,208.16 = 125,227.43 : x
  2. Step 2: Convert to fraction form
    314,756.33/472,208.16 = 125,227.43/x
  3. Step 3: Cross multiply
    314,756.33x = 472,208.16 × 125,227.43
  4. Step 4: Simplify right side
    314,756.33x = 59,133,411,940.79
  5. Step 5: Solve for x
    x = 59,133,411,940.79/314,756.33
  6. Step 6: Final answer
    x = 187,870.45

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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.