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Finding the Fourth Proportional to 504,925.84, 696,859.32 and 290,065.44

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Solution

The fourth proportional to 504,925.84, 696,859.32 and 290,065.44 is: 400,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,925.84 : 696,859.32 = 290,065.44 : x
  2. Step 2: Convert to fraction form
    504,925.84/696,859.32 = 290,065.44/x
  3. Step 3: Cross multiply
    504,925.84x = 696,859.32 × 290,065.44
  4. Step 4: Simplify right side
    504,925.84x = 202,134,805,273.90
  5. Step 5: Solve for x
    x = 202,134,805,273.90/504,925.84
  6. Step 6: Final answer
    x = 400,325.73

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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.