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Finding the Fourth Proportional to 366,887.40, 550,331.10 and 307,838.40

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Solution

The fourth proportional to 366,887.40, 550,331.10 and 307,838.40 is: 461,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,887.40 : 550,331.10 = 307,838.40 : x
  2. Step 2: Convert to fraction form
    366,887.40/550,331.10 = 307,838.40/x
  3. Step 3: Cross multiply
    366,887.40x = 550,331.10 × 307,838.40
  4. Step 4: Simplify right side
    366,887.40x = 169,413,045,294.24
  5. Step 5: Solve for x
    x = 169,413,045,294.24/366,887.40
  6. Step 6: Final answer
    x = 461,757.60

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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.