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Finding the Fourth Proportional to 542,762.37, 749,351.86 and 349,506.29

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Solution

The fourth proportional to 542,762.37, 749,351.86 and 349,506.29 is: 482,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,762.37 : 749,351.86 = 349,506.29 : x
  2. Step 2: Convert to fraction form
    542,762.37/749,351.86 = 349,506.29/x
  3. Step 3: Cross multiply
    542,762.37x = 749,351.86 × 349,506.29
  4. Step 4: Simplify right side
    542,762.37x = 261,903,189,492.81
  5. Step 5: Solve for x
    x = 261,903,189,492.81/542,762.37
  6. Step 6: Final answer
    x = 482,537.49

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1.5x scale

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.