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Finding the Fourth Proportional to 504,364.10, 696,001.50 and 274,916.33

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Solution

The fourth proportional to 504,364.10, 696,001.50 and 274,916.33 is: 379,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,364.10 : 696,001.50 = 274,916.33 : x
  2. Step 2: Convert to fraction form
    504,364.10/696,001.50 = 274,916.33/x
  3. Step 3: Cross multiply
    504,364.10x = 696,001.50 × 274,916.33
  4. Step 4: Simplify right side
    504,364.10x = 191,342,180,825.44
  5. Step 5: Solve for x
    x = 191,342,180,825.44/504,364.10
  6. Step 6: Final answer
    x = 379,373.12

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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.