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Finding the Fourth Proportional to 504,850.15, 696,695.19 and 275,412.34

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Solution

The fourth proportional to 504,850.15, 696,695.19 and 275,412.34 is: 380,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,850.15 : 696,695.19 = 275,412.34 : x
  2. Step 2: Convert to fraction form
    504,850.15/696,695.19 = 275,412.34/x
  3. Step 3: Cross multiply
    504,850.15x = 696,695.19 × 275,412.34
  4. Step 4: Simplify right side
    504,850.15x = 191,878,452,544.65
  5. Step 5: Solve for x
    x = 191,878,452,544.65/504,850.15
  6. Step 6: Final answer
    x = 380,070.11

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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.