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Finding the Fourth Proportional to 536,021.43, 740,055.74 and 332,290.07

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Solution

The fourth proportional to 536,021.43, 740,055.74 and 332,290.07 is: 458,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,021.43 : 740,055.74 = 332,290.07 : x
  2. Step 2: Convert to fraction form
    536,021.43/740,055.74 = 332,290.07/x
  3. Step 3: Cross multiply
    536,021.43x = 740,055.74 × 332,290.07
  4. Step 4: Simplify right side
    536,021.43x = 245,913,168,286.77
  5. Step 5: Solve for x
    x = 245,913,168,286.77/536,021.43
  6. Step 6: Final answer
    x = 458,774.89

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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.