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Finding the Fourth Proportional to 514,338.75, 709,623.45 and 333,189.54

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Solution

The fourth proportional to 514,338.75, 709,623.45 and 333,189.54 is: 459,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,338.75 : 709,623.45 = 333,189.54 : x
  2. Step 2: Convert to fraction form
    514,338.75/709,623.45 = 333,189.54/x
  3. Step 3: Cross multiply
    514,338.75x = 709,623.45 × 333,189.54
  4. Step 4: Simplify right side
    514,338.75x = 236,439,110,878.71
  5. Step 5: Solve for x
    x = 236,439,110,878.71/514,338.75
  6. Step 6: Final answer
    x = 459,695.31

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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.