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Finding the Fourth Proportional to 270,307.99, 373,018.45 and 149,446.16

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Solution

The fourth proportional to 270,307.99, 373,018.45 and 149,446.16 is: 206,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,307.99 : 373,018.45 = 149,446.16 : x
  2. Step 2: Convert to fraction form
    270,307.99/373,018.45 = 149,446.16/x
  3. Step 3: Cross multiply
    270,307.99x = 373,018.45 × 149,446.16
  4. Step 4: Simplify right side
    270,307.99x = 55,746,174,214.42
  5. Step 5: Solve for x
    x = 55,746,174,214.42/270,307.99
  6. Step 6: Final answer
    x = 206,232.07

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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.