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Finding the Fourth Proportional to 352,193.40, 528,290.10 and 233,479.80

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Solution

The fourth proportional to 352,193.40, 528,290.10 and 233,479.80 is: 350,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,193.40 : 528,290.10 = 233,479.80 : x
  2. Step 2: Convert to fraction form
    352,193.40/528,290.10 = 233,479.80/x
  3. Step 3: Cross multiply
    352,193.40x = 528,290.10 × 233,479.80
  4. Step 4: Simplify right side
    352,193.40x = 123,345,066,889.98
  5. Step 5: Solve for x
    x = 123,345,066,889.98/352,193.40
  6. Step 6: Final answer
    x = 350,219.70

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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.