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Finding the Fourth Proportional to 465,544.30, 698,302.64 and 128,605.23

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Solution

The fourth proportional to 465,544.30, 698,302.64 and 128,605.23 is: 192,904.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,544.30 : 698,302.64 = 128,605.23 : x
  2. Step 2: Convert to fraction form
    465,544.30/698,302.64 = 128,605.23/x
  3. Step 3: Cross multiply
    465,544.30x = 698,302.64 × 128,605.23
  4. Step 4: Simplify right side
    465,544.30x = 89,805,371,626.81
  5. Step 5: Solve for x
    x = 89,805,371,626.81/465,544.30
  6. Step 6: Final answer
    x = 192,904.03

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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.