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Finding the Fourth Proportional to 472,969.80, 710,273.90 and 333,705.80

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Solution

The fourth proportional to 472,969.80, 710,273.90 and 333,705.80 is: 501,136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,969.80 : 710,273.90 = 333,705.80 : x
  2. Step 2: Convert to fraction form
    472,969.80/710,273.90 = 333,705.80/x
  3. Step 3: Cross multiply
    472,969.80x = 710,273.90 × 333,705.80
  4. Step 4: Simplify right side
    472,969.80x = 237,022,520,018.62
  5. Step 5: Solve for x
    x = 237,022,520,018.62/472,969.80
  6. Step 6: Final answer
    x = 501,136.69

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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.