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Finding the Fourth Proportional to 507,409.55, 760,953.18 and 165,775.13

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Solution

The fourth proportional to 507,409.55, 760,953.18 and 165,775.13 is: 248,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,409.55 : 760,953.18 = 165,775.13 : x
  2. Step 2: Convert to fraction form
    507,409.55/760,953.18 = 165,775.13/x
  3. Step 3: Cross multiply
    507,409.55x = 760,953.18 × 165,775.13
  4. Step 4: Simplify right side
    507,409.55x = 126,147,114,149.06
  5. Step 5: Solve for x
    x = 126,147,114,149.06/507,409.55
  6. Step 6: Final answer
    x = 248,610.05

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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.