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Finding the Fourth Proportional to 303,312.69, 455,362.70 and 233,241.21

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Solution

The fourth proportional to 303,312.69, 455,362.70 and 233,241.21 is: 350,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,312.69 : 455,362.70 = 233,241.21 : x
  2. Step 2: Convert to fraction form
    303,312.69/455,362.70 = 233,241.21/x
  3. Step 3: Cross multiply
    303,312.69x = 455,362.70 × 233,241.21
  4. Step 4: Simplify right side
    303,312.69x = 106,209,345,970.66
  5. Step 5: Solve for x
    x = 106,209,345,970.66/303,312.69
  6. Step 6: Final answer
    x = 350,164.53

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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.