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Finding the Fourth Proportional to 436,674.60, 653,456.70 and 302,927.40

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Solution

The fourth proportional to 436,674.60, 653,456.70 and 302,927.40 is: 453,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,674.60 : 653,456.70 = 302,927.40 : x
  2. Step 2: Convert to fraction form
    436,674.60/653,456.70 = 302,927.40/x
  3. Step 3: Cross multiply
    436,674.60x = 653,456.70 × 302,927.40
  4. Step 4: Simplify right side
    436,674.60x = 197,949,939,143.58
  5. Step 5: Solve for x
    x = 197,949,939,143.58/436,674.60
  6. Step 6: Final answer
    x = 453,312.24

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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.