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Finding the Fourth Proportional to 365,556.16, 548,345.58 and 99,315.64

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Solution

The fourth proportional to 365,556.16, 548,345.58 and 99,315.64 is: 148,976.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,556.16 : 548,345.58 = 99,315.64 : x
  2. Step 2: Convert to fraction form
    365,556.16/548,345.58 = 99,315.64/x
  3. Step 3: Cross multiply
    365,556.16x = 548,345.58 × 99,315.64
  4. Step 4: Simplify right side
    365,556.16x = 54,459,292,218.87
  5. Step 5: Solve for x
    x = 54,459,292,218.87/365,556.16
  6. Step 6: Final answer
    x = 148,976.54

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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.