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Finding the Fourth Proportional to 365,373.68, 547,728.40 and 140,590.72

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Solution

The fourth proportional to 365,373.68, 547,728.40 and 140,590.72 is: 210,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,373.68 : 547,728.40 = 140,590.72 : x
  2. Step 2: Convert to fraction form
    365,373.68/547,728.40 = 140,590.72/x
  3. Step 3: Cross multiply
    365,373.68x = 547,728.40 × 140,590.72
  4. Step 4: Simplify right side
    365,373.68x = 77,005,530,120.45
  5. Step 5: Solve for x
    x = 77,005,530,120.45/365,373.68
  6. Step 6: Final answer
    x = 210,758.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.