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Finding the Fourth Proportional to 365,514.26, 548,271.45 and 99,314.10

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Solution

The fourth proportional to 365,514.26, 548,271.45 and 99,314.10 is: 148,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,514.26 : 548,271.45 = 99,314.10 : x
  2. Step 2: Convert to fraction form
    365,514.26/548,271.45 = 99,314.10/x
  3. Step 3: Cross multiply
    365,514.26x = 548,271.45 × 99,314.10
  4. Step 4: Simplify right side
    365,514.26x = 54,451,085,612.45
  5. Step 5: Solve for x
    x = 54,451,085,612.45/365,514.26
  6. Step 6: Final answer
    x = 148,971.17

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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.