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Finding the Fourth Proportional to 292,399.32, 403,488.54 and 165,087.48

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Solution

The fourth proportional to 292,399.32, 403,488.54 and 165,087.48 is: 227,808.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,399.32 : 403,488.54 = 165,087.48 : x
  2. Step 2: Convert to fraction form
    292,399.32/403,488.54 = 165,087.48/x
  3. Step 3: Cross multiply
    292,399.32x = 403,488.54 × 165,087.48
  4. Step 4: Simplify right side
    292,399.32x = 66,610,906,277.48
  5. Step 5: Solve for x
    x = 66,610,906,277.48/292,399.32
  6. Step 6: Final answer
    x = 227,808.01

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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.