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Finding the Fourth Proportional to 514,339.75, 709,624.83 and 333,190.54

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Solution

The fourth proportional to 514,339.75, 709,624.83 and 333,190.54 is: 459,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,339.75 : 709,624.83 = 333,190.54 : x
  2. Step 2: Convert to fraction form
    514,339.75/709,624.83 = 333,190.54/x
  3. Step 3: Cross multiply
    514,339.75x = 709,624.83 × 333,190.54
  4. Step 4: Simplify right side
    514,339.75x = 236,440,280,305.11
  5. Step 5: Solve for x
    x = 236,440,280,305.11/514,339.75
  6. Step 6: Final answer
    x = 459,696.69

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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.