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Finding the Fourth Proportional to 423,577.36, 584,532.55 and 229,980.81

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Solution

The fourth proportional to 423,577.36, 584,532.55 and 229,980.81 is: 317,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,577.36 : 584,532.55 = 229,980.81 : x
  2. Step 2: Convert to fraction form
    423,577.36/584,532.55 = 229,980.81/x
  3. Step 3: Cross multiply
    423,577.36x = 584,532.55 × 229,980.81
  4. Step 4: Simplify right side
    423,577.36x = 134,431,269,320.37
  5. Step 5: Solve for x
    x = 134,431,269,320.37/423,577.36
  6. Step 6: Final answer
    x = 317,371.23

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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.