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Finding the Fourth Proportional to 472,956.40, 709,434.60 and 295,809.40

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Solution

The fourth proportional to 472,956.40, 709,434.60 and 295,809.40 is: 443,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,956.40 : 709,434.60 = 295,809.40 : x
  2. Step 2: Convert to fraction form
    472,956.40/709,434.60 = 295,809.40/x
  3. Step 3: Cross multiply
    472,956.40x = 709,434.60 × 295,809.40
  4. Step 4: Simplify right side
    472,956.40x = 209,857,423,365.24
  5. Step 5: Solve for x
    x = 209,857,423,365.24/472,956.40
  6. Step 6: Final answer
    x = 443,714.10

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Similar ratio
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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.