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Finding the Fourth Proportional to 712,693.82, 1,069,392.02 and 333,640.24

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Solution

The fourth proportional to 712,693.82, 1,069,392.02 and 333,640.24 is: 500,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,693.82 : 1,069,392.02 = 333,640.24 : x
  2. Step 2: Convert to fraction form
    712,693.82/1,069,392.02 = 333,640.24/x
  3. Step 3: Cross multiply
    712,693.82x = 1,069,392.02 × 333,640.24
  4. Step 4: Simplify right side
    712,693.82x = 356,792,210,206.89
  5. Step 5: Solve for x
    x = 356,792,210,206.89/712,693.82
  6. Step 6: Final answer
    x = 500,624.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.