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Finding the Fourth Proportional to 365,751.16, 504,774.52 and 210,707.78

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Solution

The fourth proportional to 365,751.16, 504,774.52 and 210,707.78 is: 290,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,751.16 : 504,774.52 = 210,707.78 : x
  2. Step 2: Convert to fraction form
    365,751.16/504,774.52 = 210,707.78/x
  3. Step 3: Cross multiply
    365,751.16x = 504,774.52 × 210,707.78
  4. Step 4: Simplify right side
    365,751.16x = 106,359,915,459.12
  5. Step 5: Solve for x
    x = 106,359,915,459.12/365,751.16
  6. Step 6: Final answer
    x = 290,798.58

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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.