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Finding the Fourth Proportional to 607,337.51, 838,125.83 and 339,065.51

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Solution

The fourth proportional to 607,337.51, 838,125.83 and 339,065.51 is: 467,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,337.51 : 838,125.83 = 339,065.51 : x
  2. Step 2: Convert to fraction form
    607,337.51/838,125.83 = 339,065.51/x
  3. Step 3: Cross multiply
    607,337.51x = 838,125.83 × 339,065.51
  4. Step 4: Simplify right side
    607,337.51x = 284,179,558,650.16
  5. Step 5: Solve for x
    x = 284,179,558,650.16/607,337.51
  6. Step 6: Final answer
    x = 467,910.44

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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.