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Finding the Fourth Proportional to 685,594.24, 946,007.58 and 430,765

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Solution

The fourth proportional to 685,594.24, 946,007.58 and 430,765 is: 594,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,594.24 : 946,007.58 = 430,765 : x
  2. Step 2: Convert to fraction form
    685,594.24/946,007.58 = 430,765/x
  3. Step 3: Cross multiply
    685,594.24x = 946,007.58 × 430,765
  4. Step 4: Simplify right side
    685,594.24x = 407,506,955,198.70
  5. Step 5: Solve for x
    x = 407,506,955,198.70/685,594.24
  6. Step 6: Final answer
    x = 594,385.03

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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.