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Finding the Fourth Proportional to 507,671.85, 700,585.68 and 281,317.35

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Solution

The fourth proportional to 507,671.85, 700,585.68 and 281,317.35 is: 388,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,671.85 : 700,585.68 = 281,317.35 : x
  2. Step 2: Convert to fraction form
    507,671.85/700,585.68 = 281,317.35/x
  3. Step 3: Cross multiply
    507,671.85x = 700,585.68 × 281,317.35
  4. Step 4: Simplify right side
    507,671.85x = 197,086,906,945.55
  5. Step 5: Solve for x
    x = 197,086,906,945.55/507,671.85
  6. Step 6: Final answer
    x = 388,217.13

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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.