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Finding the Fourth Proportional to 504,563.38, 696,311.48 and 308,361.63

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Solution

The fourth proportional to 504,563.38, 696,311.48 and 308,361.63 is: 425,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,563.38 : 696,311.48 = 308,361.63 : x
  2. Step 2: Convert to fraction form
    504,563.38/696,311.48 = 308,361.63/x
  3. Step 3: Cross multiply
    504,563.38x = 696,311.48 × 308,361.63
  4. Step 4: Simplify right side
    504,563.38x = 214,715,746,342.59
  5. Step 5: Solve for x
    x = 214,715,746,342.59/504,563.38
  6. Step 6: Final answer
    x = 425,547.62

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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.