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Finding the Fourth Proportional to 524,924.78, 724,206.74 and 343,740.04

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Solution

The fourth proportional to 524,924.78, 724,206.74 and 343,740.04 is: 474,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,924.78 : 724,206.74 = 343,740.04 : x
  2. Step 2: Convert to fraction form
    524,924.78/724,206.74 = 343,740.04/x
  3. Step 3: Cross multiply
    524,924.78x = 724,206.74 × 343,740.04
  4. Step 4: Simplify right side
    524,924.78x = 248,938,850,246.65
  5. Step 5: Solve for x
    x = 248,938,850,246.65/524,924.78
  6. Step 6: Final answer
    x = 474,237.19

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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.