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Finding the Fourth Proportional to 292,054.64, 403,026.36 and 164,728.40

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Solution

The fourth proportional to 292,054.64, 403,026.36 and 164,728.40 is: 227,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,054.64 : 403,026.36 = 164,728.40 : x
  2. Step 2: Convert to fraction form
    292,054.64/403,026.36 = 164,728.40/x
  3. Step 3: Cross multiply
    292,054.64x = 403,026.36 × 164,728.40
  4. Step 4: Simplify right side
    292,054.64x = 66,389,887,440.62
  5. Step 5: Solve for x
    x = 66,389,887,440.62/292,054.64
  6. Step 6: Final answer
    x = 227,320.09

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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.