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Finding the Fourth Proportional to 619,835.07, 929,751.09 and 349,840.81

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Solution

The fourth proportional to 619,835.07, 929,751.09 and 349,840.81 is: 524,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,835.07 : 929,751.09 = 349,840.81 : x
  2. Step 2: Convert to fraction form
    619,835.07/929,751.09 = 349,840.81/x
  3. Step 3: Cross multiply
    619,835.07x = 929,751.09 × 349,840.81
  4. Step 4: Simplify right side
    619,835.07x = 325,264,874,423.98
  5. Step 5: Solve for x
    x = 325,264,874,423.98/619,835.07
  6. Step 6: Final answer
    x = 524,760.36

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1.5x scale

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.