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Finding the Fourth Proportional to 474,148.49, 654,318.62 and 270,211.55

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Solution

The fourth proportional to 474,148.49, 654,318.62 and 270,211.55 is: 372,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,148.49 : 654,318.62 = 270,211.55 : x
  2. Step 2: Convert to fraction form
    474,148.49/654,318.62 = 270,211.55/x
  3. Step 3: Cross multiply
    474,148.49x = 654,318.62 × 270,211.55
  4. Step 4: Simplify right side
    474,148.49x = 176,804,448,504.06
  5. Step 5: Solve for x
    x = 176,804,448,504.06/474,148.49
  6. Step 6: Final answer
    x = 372,888.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.