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Finding the Fourth Proportional to 265,123.40, 365,749.40 and 157,632.34

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Solution

The fourth proportional to 265,123.40, 365,749.40 and 157,632.34 is: 217,460.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,123.40 : 365,749.40 = 157,632.34 : x
  2. Step 2: Convert to fraction form
    265,123.40/365,749.40 = 157,632.34/x
  3. Step 3: Cross multiply
    265,123.40x = 365,749.40 × 157,632.34
  4. Step 4: Simplify right side
    265,123.40x = 57,653,933,775.60
  5. Step 5: Solve for x
    x = 57,653,933,775.60/265,123.40
  6. Step 6: Final answer
    x = 217,460.75

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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.