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Finding the Fourth Proportional to 507,153.90, 699,881.00 and 277,707.54

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Solution

The fourth proportional to 507,153.90, 699,881.00 and 277,707.54 is: 383,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,153.90 : 699,881.00 = 277,707.54 : x
  2. Step 2: Convert to fraction form
    507,153.90/699,881.00 = 277,707.54/x
  3. Step 3: Cross multiply
    507,153.90x = 699,881.00 × 277,707.54
  4. Step 4: Simplify right side
    507,153.90x = 194,362,229,414.20
  5. Step 5: Solve for x
    x = 194,362,229,414.20/507,153.90
  6. Step 6: Final answer
    x = 383,241.12

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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.