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Finding the Fourth Proportional to 504,748.84, 696,552.06 and 289,902.82

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Solution

The fourth proportional to 504,748.84, 696,552.06 and 289,902.82 is: 400,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,748.84 : 696,552.06 = 289,902.82 : x
  2. Step 2: Convert to fraction form
    504,748.84/696,552.06 = 289,902.82/x
  3. Step 3: Cross multiply
    504,748.84x = 696,552.06 × 289,902.82
  4. Step 4: Simplify right side
    504,748.84x = 201,932,406,470.81
  5. Step 5: Solve for x
    x = 201,932,406,470.81/504,748.84
  6. Step 6: Final answer
    x = 400,065.12

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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.