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Finding the Fourth Proportional to 347,509.40, 522,041.70 and 333,339.80

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Solution

The fourth proportional to 347,509.40, 522,041.70 and 333,339.80 is: 500,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,509.40 : 522,041.70 = 333,339.80 : x
  2. Step 2: Convert to fraction form
    347,509.40/522,041.70 = 333,339.80/x
  3. Step 3: Cross multiply
    347,509.40x = 522,041.70 × 333,339.80
  4. Step 4: Simplify right side
    347,509.40x = 174,017,275,869.66
  5. Step 5: Solve for x
    x = 174,017,275,869.66/347,509.40
  6. Step 6: Final answer
    x = 500,755.59

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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.