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Finding the Fourth Proportional to 503,867.63, 756,042.92 and 314,279.23

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Solution

The fourth proportional to 503,867.63, 756,042.92 and 314,279.23 is: 471,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,867.63 : 756,042.92 = 314,279.23 : x
  2. Step 2: Convert to fraction form
    503,867.63/756,042.92 = 314,279.23/x
  3. Step 3: Cross multiply
    503,867.63x = 756,042.92 × 314,279.23
  4. Step 4: Simplify right side
    503,867.63x = 237,608,586,744.55
  5. Step 5: Solve for x
    x = 237,608,586,744.55/503,867.63
  6. Step 6: Final answer
    x = 471,569.46

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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.