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Finding the Fourth Proportional to 504,952.98, 696,857.34 and 290,160.42

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Solution

The fourth proportional to 504,952.98, 696,857.34 and 290,160.42 is: 400,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,952.98 : 696,857.34 = 290,160.42 : x
  2. Step 2: Convert to fraction form
    504,952.98/696,857.34 = 290,160.42/x
  3. Step 3: Cross multiply
    504,952.98x = 696,857.34 × 290,160.42
  4. Step 4: Simplify right side
    504,952.98x = 202,200,418,454.48
  5. Step 5: Solve for x
    x = 202,200,418,454.48/504,952.98
  6. Step 6: Final answer
    x = 400,434.15

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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.