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Finding the Fourth Proportional to 210,365.30, 314,933.55 and 188,246.90

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Solution

The fourth proportional to 210,365.30, 314,933.55 and 188,246.90 is: 281,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,365.30 : 314,933.55 = 188,246.90 : x
  2. Step 2: Convert to fraction form
    210,365.30/314,933.55 = 188,246.90/x
  3. Step 3: Cross multiply
    210,365.30x = 314,933.55 × 188,246.90
  4. Step 4: Simplify right side
    210,365.30x = 59,285,264,493.50
  5. Step 5: Solve for x
    x = 59,285,264,493.50/210,365.30
  6. Step 6: Final answer
    x = 281,820.55

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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.