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Finding the Fourth Proportional to 507,069.40, 699,728.03 and 277,582.30

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Solution

The fourth proportional to 507,069.40, 699,728.03 and 277,582.30 is: 383,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,069.40 : 699,728.03 = 277,582.30 : x
  2. Step 2: Convert to fraction form
    507,069.40/699,728.03 = 277,582.30/x
  3. Step 3: Cross multiply
    507,069.40x = 699,728.03 × 277,582.30
  4. Step 4: Simplify right side
    507,069.40x = 194,232,114,553.96
  5. Step 5: Solve for x
    x = 194,232,114,553.96/507,069.40
  6. Step 6: Final answer
    x = 383,048.38

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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.