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Finding the Fourth Proportional to 347,502.40, 522,031.20 and 333,332.80

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Solution

The fourth proportional to 347,502.40, 522,031.20 and 333,332.80 is: 500,745.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,502.40 : 522,031.20 = 333,332.80 : x
  2. Step 2: Convert to fraction form
    347,502.40/522,031.20 = 333,332.80/x
  3. Step 3: Cross multiply
    347,502.40x = 522,031.20 × 333,332.80
  4. Step 4: Simplify right side
    347,502.40x = 174,010,121,583.36
  5. Step 5: Solve for x
    x = 174,010,121,583.36/347,502.40
  6. Step 6: Final answer
    x = 500,745.09

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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.