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Finding the Fourth Proportional to 514,239.09, 709,414.41 and 333,009.37

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Solution

The fourth proportional to 514,239.09, 709,414.41 and 333,009.37 is: 459,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,239.09 : 709,414.41 = 333,009.37 : x
  2. Step 2: Convert to fraction form
    514,239.09/709,414.41 = 333,009.37/x
  3. Step 3: Cross multiply
    514,239.09x = 709,414.41 × 333,009.37
  4. Step 4: Simplify right side
    514,239.09x = 236,241,645,743.02
  5. Step 5: Solve for x
    x = 236,241,645,743.02/514,239.09
  6. Step 6: Final answer
    x = 459,400.40

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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.