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Finding the Fourth Proportional to 462,912.30, 694,368.45 and 369,600.30

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Solution

The fourth proportional to 462,912.30, 694,368.45 and 369,600.30 is: 554,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,912.30 : 694,368.45 = 369,600.30 : x
  2. Step 2: Convert to fraction form
    462,912.30/694,368.45 = 369,600.30/x
  3. Step 3: Cross multiply
    462,912.30x = 694,368.45 × 369,600.30
  4. Step 4: Simplify right side
    462,912.30x = 256,638,787,430.54
  5. Step 5: Solve for x
    x = 256,638,787,430.54/462,912.30
  6. Step 6: Final answer
    x = 554,400.45

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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.