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Finding the Fourth Proportional to 507,410.55, 760,954.68 and 165,776.13

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Solution

The fourth proportional to 507,410.55, 760,954.68 and 165,776.13 is: 248,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,410.55 : 760,954.68 = 165,776.13 : x
  2. Step 2: Convert to fraction form
    507,410.55/760,954.68 = 165,776.13/x
  3. Step 3: Cross multiply
    507,410.55x = 760,954.68 × 165,776.13
  4. Step 4: Simplify right side
    507,410.55x = 126,148,121,955.79
  5. Step 5: Solve for x
    x = 126,148,121,955.79/507,410.55
  6. Step 6: Final answer
    x = 248,611.55

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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.