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Finding the Fourth Proportional to 424,457.45, 585,748.44 and 240,730.98

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Solution

The fourth proportional to 424,457.45, 585,748.44 and 240,730.98 is: 332,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,457.45 : 585,748.44 = 240,730.98 : x
  2. Step 2: Convert to fraction form
    424,457.45/585,748.44 = 240,730.98/x
  3. Step 3: Cross multiply
    424,457.45x = 585,748.44 × 240,730.98
  4. Step 4: Simplify right side
    424,457.45x = 141,007,795,994.67
  5. Step 5: Solve for x
    x = 141,007,795,994.67/424,457.45
  6. Step 6: Final answer
    x = 332,207.15

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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.