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Finding the Fourth Proportional to 343,241.02, 514,504.09 and 115,367.48

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Solution

The fourth proportional to 343,241.02, 514,504.09 and 115,367.48 is: 172,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,241.02 : 514,504.09 = 115,367.48 : x
  2. Step 2: Convert to fraction form
    343,241.02/514,504.09 = 115,367.48/x
  3. Step 3: Cross multiply
    343,241.02x = 514,504.09 × 115,367.48
  4. Step 4: Simplify right side
    343,241.02x = 59,357,040,312.99
  5. Step 5: Solve for x
    x = 59,357,040,312.99/343,241.02
  6. Step 6: Final answer
    x = 172,931.08

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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.