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Finding the Fourth Proportional to 444,876.40, 614,208.32 and 342,709.48

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Solution

The fourth proportional to 444,876.40, 614,208.32 and 342,709.48 is: 473,153.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,876.40 : 614,208.32 = 342,709.48 : x
  2. Step 2: Convert to fraction form
    444,876.40/614,208.32 = 342,709.48/x
  3. Step 3: Cross multiply
    444,876.40x = 614,208.32 × 342,709.48
  4. Step 4: Simplify right side
    444,876.40x = 210,495,013,958.87
  5. Step 5: Solve for x
    x = 210,495,013,958.87/444,876.40
  6. Step 6: Final answer
    x = 473,153.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.