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Finding the Fourth Proportional to 495,572.51, 683,835.21 and 274,804.25

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Solution

The fourth proportional to 495,572.51, 683,835.21 and 274,804.25 is: 379,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,572.51 : 683,835.21 = 274,804.25 : x
  2. Step 2: Convert to fraction form
    495,572.51/683,835.21 = 274,804.25/x
  3. Step 3: Cross multiply
    495,572.51x = 683,835.21 × 274,804.25
  4. Step 4: Simplify right side
    495,572.51x = 187,920,819,361.35
  5. Step 5: Solve for x
    x = 187,920,819,361.35/495,572.51
  6. Step 6: Final answer
    x = 379,199.44

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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.