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Finding the Fourth Proportional to 495,573.51, 683,836.59 and 274,805.25

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Solution

The fourth proportional to 495,573.51, 683,836.59 and 274,805.25 is: 379,200.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,573.51 : 683,836.59 = 274,805.25 : x
  2. Step 2: Convert to fraction form
    495,573.51/683,836.59 = 274,805.25/x
  3. Step 3: Cross multiply
    495,573.51x = 683,836.59 × 274,805.25
  4. Step 4: Simplify right side
    495,573.51x = 187,921,885,074.10
  5. Step 5: Solve for x
    x = 187,921,885,074.10/495,573.51
  6. Step 6: Final answer
    x = 379,200.83

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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.