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Finding the Fourth Proportional to 602,190.79, 903,286.55 and 152,945.35

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Solution

The fourth proportional to 602,190.79, 903,286.55 and 152,945.35 is: 229,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,190.79 : 903,286.55 = 152,945.35 : x
  2. Step 2: Convert to fraction form
    602,190.79/903,286.55 = 152,945.35/x
  3. Step 3: Cross multiply
    602,190.79x = 903,286.55 × 152,945.35
  4. Step 4: Simplify right side
    602,190.79x = 138,153,477,540.04
  5. Step 5: Solve for x
    x = 138,153,477,540.04/602,190.79
  6. Step 6: Final answer
    x = 229,418.12

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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.