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Finding the Fourth Proportional to 528,044.40, 792,066.60 and 154,067.40

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Solution

The fourth proportional to 528,044.40, 792,066.60 and 154,067.40 is: 231,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,044.40 : 792,066.60 = 154,067.40 : x
  2. Step 2: Convert to fraction form
    528,044.40/792,066.60 = 154,067.40/x
  3. Step 3: Cross multiply
    528,044.40x = 792,066.60 × 154,067.40
  4. Step 4: Simplify right side
    528,044.40x = 122,031,641,688.84
  5. Step 5: Solve for x
    x = 122,031,641,688.84/528,044.40
  6. Step 6: Final answer
    x = 231,101.10

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Similar ratio
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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.