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Finding the Fourth Proportional to 365,621.04, 504,565.20 and 258,380.28

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Solution

The fourth proportional to 365,621.04, 504,565.20 and 258,380.28 is: 356,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,621.04 : 504,565.20 = 258,380.28 : x
  2. Step 2: Convert to fraction form
    365,621.04/504,565.20 = 258,380.28/x
  3. Step 3: Cross multiply
    365,621.04x = 504,565.20 × 258,380.28
  4. Step 4: Simplify right side
    365,621.04x = 130,369,697,654.26
  5. Step 5: Solve for x
    x = 130,369,697,654.26/365,621.04
  6. Step 6: Final answer
    x = 356,570.56

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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.