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Finding the Fourth Proportional to 525,315.81, 725,044.18 and 341,783.72

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Solution

The fourth proportional to 525,315.81, 725,044.18 and 341,783.72 is: 471,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,315.81 : 725,044.18 = 341,783.72 : x
  2. Step 2: Convert to fraction form
    525,315.81/725,044.18 = 341,783.72/x
  3. Step 3: Cross multiply
    525,315.81x = 725,044.18 × 341,783.72
  4. Step 4: Simplify right side
    525,315.81x = 247,808,293,379.53
  5. Step 5: Solve for x
    x = 247,808,293,379.53/525,315.81
  6. Step 6: Final answer
    x = 471,732.03

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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.