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Finding the Fourth Proportional to 476,994.40, 658,277.49 and 270,302.90

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Solution

The fourth proportional to 476,994.40, 658,277.49 and 270,302.90 is: 373,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,994.40 : 658,277.49 = 270,302.90 : x
  2. Step 2: Convert to fraction form
    476,994.40/658,277.49 = 270,302.90/x
  3. Step 3: Cross multiply
    476,994.40x = 658,277.49 × 270,302.90
  4. Step 4: Simplify right side
    476,994.40x = 177,934,316,197.42
  5. Step 5: Solve for x
    x = 177,934,316,197.42/476,994.40
  6. Step 6: Final answer
    x = 373,032.30

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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.