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Finding the Fourth Proportional to 472,952.80, 709,866.60 and 236,465.20

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Solution

The fourth proportional to 472,952.80, 709,866.60 and 236,465.20 is: 354,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,952.80 : 709,866.60 = 236,465.20 : x
  2. Step 2: Convert to fraction form
    472,952.80/709,866.60 = 236,465.20/x
  3. Step 3: Cross multiply
    472,952.80x = 709,866.60 × 236,465.20
  4. Step 4: Simplify right side
    472,952.80x = 167,858,747,542.32
  5. Step 5: Solve for x
    x = 167,858,747,542.32/472,952.80
  6. Step 6: Final answer
    x = 354,916.49

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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.