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Finding the Fourth Proportional to 423,542.10, 584,488.97 and 229,950.03

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Solution

The fourth proportional to 423,542.10, 584,488.97 and 229,950.03 is: 317,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,542.10 : 584,488.97 = 229,950.03 : x
  2. Step 2: Convert to fraction form
    423,542.10/584,488.97 = 229,950.03/x
  3. Step 3: Cross multiply
    423,542.10x = 584,488.97 × 229,950.03
  4. Step 4: Simplify right side
    423,542.10x = 134,403,256,186.17
  5. Step 5: Solve for x
    x = 134,403,256,186.17/423,542.10
  6. Step 6: Final answer
    x = 317,331.51

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1.5x scale

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.