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Finding the Fourth Proportional to 444,876.39, 614,208.30 and 342,709.47

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Solution

The fourth proportional to 444,876.39, 614,208.30 and 342,709.47 is: 473,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,876.39 : 614,208.30 = 342,709.47 : x
  2. Step 2: Convert to fraction form
    444,876.39/614,208.30 = 342,709.47/x
  3. Step 3: Cross multiply
    444,876.39x = 614,208.30 × 342,709.47
  4. Step 4: Simplify right side
    444,876.39x = 210,495,000,962.60
  5. Step 5: Solve for x
    x = 210,495,000,962.60/444,876.39
  6. Step 6: Final answer
    x = 473,153.90

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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.